GeeksforGeeks

How to Convert a String Class to an Integer Class in Java?

Last Updated: 29 February 2024

String in Java is used to store the sequence of characters in Java. A string can contain a character, a word, a sentence, or a paragraph. Integer is a Wrapper class that i...read more

Integer.MAX_VALUE and Integer.MIN_VALUE in Java with Examples

Last Updated: 22 January 2020

Most of the times, in competitive programming, there is a need to assign the variable, the maximum or minimum value that data type can hold, but remembering such a large a...read more

Java

Java-Integer

Integer.valueOf() vs Integer.parseInt() with Examples

Last Updated: 05 September 2023

Integer.parseInt():While operating upon strings, there are times when we need to convert a number represented as a string into an integer type. The method generally used t...read more

How to Read and Print an Integer Value in Java?

Last Updated: 09 April 2025

The given task is to take an integer as input from the user and print that integer in Java.To read and print an integer value in Java, we can use the Scanner class to take...read more

Java

Java-I/O

Java-Integer

Program to convert set of String to set of Integer in Java

Last Updated: 11 December 2018

Java Set is a part of java.util package and extends java.util.Collection interface. It does not allow the use of duplicate elements and at max can accommodate only one nul...read more

Program to Convert Set of Integer to Array of Integer in Java

Last Updated: 12 September 2022

Java Set is a part of java.util package and extends java.util.Collection interface. It does not allow the use of duplicate elements and at max can accommodate only one nul...read more

Program to Convert Set of Integer to Set of String in Java

Last Updated: 04 September 2022

Java Set is a part of java.util package and extends java.util.Collection interface. It does not allow the use of duplicate elements and at max can accommodate only one nul...read more

Difference between an Integer and int in Java with Examples

Last Updated: 29 July 2024

In Java, int is a primitive data type while Integer is a Wrapper class.int, being a primitive data type has got less flexibility. We can only store the binary value of an ...read more

Integer toOctalString() Method in Java

Last Updated: 19 October 2021

Octal is the base-8 number system and uses the digits 0 to 7 in operation. Octal is widely used in computing on systems like the PDP-8, and IBM mainframes employed 12-bit,...read more

Integer toString() in Java

Last Updated: 05 December 2018

The java.lang.Integer.toString() is an inbuilt method in Java which is used to return the String object representing this Integer's value.Syntax : public static String to...read more

Integer valueOf() Method in Java

Last Updated: 14 December 2021

1. The java.lang.Integer.valueOf(int a) is an inbuilt method which is used to return an Integer instance representing the specified int value a.Syntax :public static Integ...read more

Integer rotateRight() Method in Java

Last Updated: 18 October 2019

Bit shifting is used in programming and has at least one variation in each programming language. Java has a single Logical right shift operator (). Bit shifting is a type ...read more

Integer sum() Method in Java

Last Updated: 03 April 2023

The java.lang.Integer.sum() is a built-in method in java that returns the sum of its arguments. The method adds two integers together as per the + operator.Syntax :public ...read more

Integer shortValue() Method in Java

Last Updated: 05 December 2018

The Integer.shortValue() is an inbuilt method of java.lang which returns the value of this Integer in the short type .Syntax:public short shortValue()Parameters: The meth...read more

Integer signum() Method in Java

Last Updated: 19 August 2021

The signum function is an odd mathematical function that extracts the sign of a real number. The signum function is also known as sign function.The Integer.signum() method...read more