Certified Core Java Developer
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The Vskills Certified Core Java Developer certification (VS-1036) demonstrates proficiency in Java programming, enhancing credibility and job opportunities in a competitive market. The certification is beneficial for programmers, developers, and software professionals seeking career advancement by showcasing their advanced skills. The test, consisting of 50 questions to be completed in 60 minutes, has a passing score of 25 out of 50, with a fee of Rs. 2000.
![Certified Core Java Developer
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Sample QuestionsSample QuestionsSample QuestionsSample Questions
1. Which two create an instance of an array? (Choose two.)1. Which two create an instance of an array? (Choose two.)1. Which two create an instance of an array? (Choose two.)1. Which two create an instance of an array? (Choose two.)
A. int[ ] ia = new int[15];
B. float fa = new float[20];
C. char[ ] ca = "Some String";
D. Object oa = new float[20];
2.2.2.2. Given below is a programme,
public class ArrayTest {
public static void main(String[ ] args){
float f1[ ], f[ ];
f1 = new float[10];
f = f1;
System.out.println("f[0] = " + f[0]);
} }
What is the result?What is the result?What is the result?What is the result?
A. It prints f2[0] = 0.0
B. It prints f2[0] = NaN
C. An error at ‘f2 = f1;’ causes compile to fail.
D. An error at ‘System.out.println("f2[0] = " + f2[0]);’ causes compile to fail.
3. Which two cause a compiler error? (Choose two.)3. Which two cause a compiler error? (Choose two.)3. Which two cause a compiler error? (Choose two.)3. Which two cause a compiler error? (Choose two.)
A. int[ ] scores = {3, 5, 7};
B. int [ ][ ] scores = {2,7,6}, {9,3,45};
C. String cats[ ] = {"Fluffy", "Spot", "Zeus"};
D. boolean results[ ] = new boolean [3] {true, false, true};
4. Which three form part of correct array declarations? (Choose three.)4. Which three form part of correct array declarations? (Choose three.)4. Which three form part of correct array declarations? (Choose three.)4. Which three form part of correct array declarations? (Choose three.)
A. public int a [ ]
B. static int [ ] a
C. public [ ] int a
D. public final int [ ] a](https://image.slidesharecdn.com/vs-1036certifiedcorejavadeveloperbrochure-130612003815-phpapp02/85/Certified-Core-Java-Developer-8-320.jpg)
![Certified Core Java Developer
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5. Which two cause a compiler error? (Choose two.)5. Which two cause a compiler error? (Choose two.)5. Which two cause a compiler error? (Choose two.)5. Which two cause a compiler error? (Choose two.)
A. float[ ] f = new float(3);
B. float f2[ ] = new float[ ];
C. float[ ]f1 = new float[3];
D. float f3[ ] = new float[3];
Answers: 1 (A, D), 2 (A), 3 (B,D), 4 (A,B,D), 5 (A,B)](https://image.slidesharecdn.com/vs-1036certifiedcorejavadeveloperbrochure-130612003815-phpapp02/85/Certified-Core-Java-Developer-9-320.jpg)
Certified Core Java Developer
- 1. Certified Core Java Developer VS-1036
- 2. Certified Core Java Developer www.vskills.in CertifiedCertifiedCertifiedCertified Core Java DeveloperCore Java DeveloperCore Java DeveloperCore Java Developer Certification CodeCertification CodeCertification CodeCertification Code VS-1036 Core Java Developer Certification helps demonstrate an individual's overall comprehension and expertise of Java programming language. VSkills Core Java Developer Certification holders have more than a working familiarity with Java programs—they are technically skilled to take advantage of the breadth of features efficiently and effectively. Java is an open source and platform independent programming language whose API's are easily accessible. It is widely used for client-server application, enterprise applications, dynamic web applications and web-services development and is in great demand in software companies, MNCs, Corporates and Government organizations. Why shouldWhy shouldWhy shouldWhy should one take this certification?one take this certification?one take this certification?one take this certification? This Course is intended for professionals and graduates wanting to excel in their chosen areas. It is also well suited for those who are already working and would like to take certification for further career progression. VSkills Core Java Developer Certification helps candidate differentiate in today's competitive job market, broaden their employment opportunities by displaying their advanced skills, and result in higher earning potential. VSkills Core Java Developer Certification can also lead to increased job satisfaction. Certified individuals have increased competency, productivity, and credibility with their employers, co-workers, and clients. For employers, the certification provides skill-verification tools that not only help assess a person's skills in using Java programming language but also the ability to quickly complete on-the-job tasks across multiple programs. Who will benefit from taking this certification?Who will benefit from taking this certification?Who will benefit from taking this certification?Who will benefit from taking this certification? The certification benefits programmers, developer, software professionals and students who want to present themselves as truly knowledgeable and differentiate themselves in a competitive job market. It also helps hiring managers make job placement decisions. Managers who hire candidates with a VSkills Core Java Developer Certification are helping minimize training costs. Test Details:Test Details:Test Details:Test Details: • Duration:Duration:Duration:Duration: 60 minutes • No. of questions:No. of questions:No. of questions:No. of questions: 50
- 3. Certified Core Java Developer www.vskills.in • Maximum marks:Maximum marks:Maximum marks:Maximum marks: 50, Passing marks: 25 (50%); There is no negative marking in this module. Fee Structure:Fee Structure:Fee Structure:Fee Structure: Rs. 2,000/- (Includes all taxes) CoCoCoCompanies that hirempanies that hirempanies that hirempanies that hire VskillsVskillsVskillsVskills CertifiedCertifiedCertifiedCertified Core Java DeveloperCore Java DeveloperCore Java DeveloperCore Java Developer Core Java Developers are in great demand. There are a lot of boutique niche companies, specializing in Integration Services, who are constantly hiring knowledgeable professionals. International job consultants also are constantly looking for Core Java Developer for overseas jobs. The skill is also greatly in demand in government projects.
- 4. Certified Core Java Developer www.vskills.in Table of Content 1.1.1.1. Language FundamentalsLanguage FundamentalsLanguage FundamentalsLanguage Fundamentals 1.1. Basics of Java 1.2. Garbage Collections 1.3. Declarations and Access Control 1.4. Flow Control 2.2.2.2. Object Oriented ProgrammingObject Oriented ProgrammingObject Oriented ProgrammingObject Oriented Programming 2.1.Inheritance 2.2.Encapsulation 2.3.Polymorphism 3.3.3.3. Exception HandlingException HandlingException HandlingException Handling 3.1.Exceptions 3.2.Errors 3.3.Try---catch---finally blocks 3.4.Throw and throws 4.4.4.4. Input OutputInput OutputInput OutputInput Output 4.1.File I/O 4.2.BufferedReader 4.3.Streams and Bytes Data 5.5.5.5. Java.langJava.langJava.langJava.lang 5.1.Strings,StringBuffer 6.6.6.6. CollectionsCollectionsCollectionsCollections 6.1.Collections Interface 6.2.Vectors 6.3.ArrayList 6.4.Maps 6.5.Sets 7.7.7.7. ThreadsThreadsThreadsThreads 7.1.Basics of threads 7.2.Multithreading 7.3.AWT and Swings 8.8.8.8. AWT and Swings PackageAWT and Swings PackageAWT and Swings PackageAWT and Swings Package 8.1.Frames 8.2.Panels
- 5. Certified Core Java Developer www.vskills.in 8.3.Frames Layout 9.9.9.9. JDBCJDBCJDBCJDBC 9.1.Connection to Database 9.2.Types of Statements 9.3.Types of Drivers
- 6. Certified Core Java Developer www.vskills.in Course OutlCourse OutlCourse OutlCourse Outlineineineine 1.1.1.1. Language FundamentalsLanguage FundamentalsLanguage FundamentalsLanguage Fundamentals Explains Basics of Java programming language Explains methods for garbage collection in Java Explains the method of Implementing access control and declarations Explains various flow control techniques 2.2.2.2. Object Oriented ProgrammObject Oriented ProgrammObject Oriented ProgrammObject Oriented Programminginginging Explains various techniques for inheritance in Java Explains the method of implementing encapsulation Methods for polymorphism 3.3.3.3. Exception HandlingException HandlingException HandlingException Handling Elaborates the basics of exceptions Explains different types of errors Explains the procedure of using try-catch-finally blocks Explains the procedure of implementing throw and throws 4.4.4.4. Input OutputInput OutputInput OutputInput Output Explains basics of file I/O procedure Explains the uses of bufferedreader Illustrates the procedure of implementing streams and bytes data 5.5.5.5. Java.langJava.langJava.langJava.lang Explains the procedure of using the Strings,StringBuffer 6.6.6.6. CollectionsCollectionsCollectionsCollections Illustrates the concepts of collections interface Illustrates the uses of vectors Explains the procedure of implementing array list Illustrates various methods of using maps Explains the procedure of creating and using sets
- 7. Certified Core Java Developer www.vskills.in 7.7.7.7. ThreadsThreadsThreadsThreads Explains the basic principles and concepts of threads Explains the concepts and procedure of implementing multithreading 8.8.8.8. AWT and SwingsAWT and SwingsAWT and SwingsAWT and Swings Explains the concepts of AWT and swings package Illustrates the uses and functions of Frames Explains the procedure of implementing panels Explains the procedure and techniques of using frames layout 9.9.9.9. JDBCJDBCJDBCJDBC Explains the procedure and techniques to connect a database Explains the techniques and procedure to implement various types of statements Illustrates uses of different types of drivers
- 8. Certified Core Java Developer www.vskills.in Sample QuestionsSample QuestionsSample QuestionsSample Questions 1. Which two create an instance of an array? (Choose two.)1. Which two create an instance of an array? (Choose two.)1. Which two create an instance of an array? (Choose two.)1. Which two create an instance of an array? (Choose two.) A. int[ ] ia = new int[15]; B. float fa = new float[20]; C. char[ ] ca = "Some String"; D. Object oa = new float[20]; 2.2.2.2. Given below is a programme, public class ArrayTest { public static void main(String[ ] args){ float f1[ ], f[ ]; f1 = new float[10]; f = f1; System.out.println("f[0] = " + f[0]); } } What is the result?What is the result?What is the result?What is the result? A. It prints f2[0] = 0.0 B. It prints f2[0] = NaN C. An error at ‘f2 = f1;’ causes compile to fail. D. An error at ‘System.out.println("f2[0] = " + f2[0]);’ causes compile to fail. 3. Which two cause a compiler error? (Choose two.)3. Which two cause a compiler error? (Choose two.)3. Which two cause a compiler error? (Choose two.)3. Which two cause a compiler error? (Choose two.) A. int[ ] scores = {3, 5, 7}; B. int [ ][ ] scores = {2,7,6}, {9,3,45}; C. String cats[ ] = {"Fluffy", "Spot", "Zeus"}; D. boolean results[ ] = new boolean [3] {true, false, true}; 4. Which three form part of correct array declarations? (Choose three.)4. Which three form part of correct array declarations? (Choose three.)4. Which three form part of correct array declarations? (Choose three.)4. Which three form part of correct array declarations? (Choose three.) A. public int a [ ] B. static int [ ] a C. public [ ] int a D. public final int [ ] a
- 9. Certified Core Java Developer www.vskills.in 5. Which two cause a compiler error? (Choose two.)5. Which two cause a compiler error? (Choose two.)5. Which two cause a compiler error? (Choose two.)5. Which two cause a compiler error? (Choose two.) A. float[ ] f = new float(3); B. float f2[ ] = new float[ ]; C. float[ ]f1 = new float[3]; D. float f3[ ] = new float[3]; Answers: 1 (A, D), 2 (A), 3 (B,D), 4 (A,B,D), 5 (A,B)