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Java String Methods

Last Updated: 26 July 2025

In Java, String plays a very important role. It represents a sequence of characters and is widely used for storing and manipulating text. We can think of a string as a bun...read more

Does Java Define String as Null Terminated?

Last Updated: 23 July 2025

Java Strings are one of the most widely used data types in Java programming, but here one question is, like C and C++ strings, does Java define string as null terminated? ...read more

Java Strings Coding Practice Problems

Last Updated: 23 July 2025

Strings are a fundamental part of Java programming, used for handling and manipulating textual data efficiently. This collection of Java string practice problems covers ke...read more

Practice Questions

Java String compareToIgnoreCase() Method

Last Updated: 23 July 2025

In Java, the String compareToIgnoreCase() method compares two Strings lexicographically means in dictionary order by ignoring the case differences. It evaluates the Unicod...read more

Java String codePointAt() Method

Last Updated: 23 July 2025

The codePointAt() method in Java is part of the String class. It is used to return the Unicode value of the character at the specified index in the string. This method is ...read more

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Java StringBuffer chars() Method

Last Updated: 23 July 2025

In Java, the chars() method of the StringBuffer class converts the characters in the StringBuffer to an IntStream. This method is useful for iterating over, processing, or...read more

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Java StringBuffer charAt() Method

Last Updated: 23 July 2025

The charAt() method in the StringBuffer class in Java is used to retrieve the character at a given index in a StringBuffer object. This method allows us to access individu...read more

java-StringBuffer

Java StringBuffer length() Method

Last Updated: 23 July 2025

The length() method in the StringBuffer class is used to retrieve the number of characters currently in a StringBuffer object. It helps determine the current size of the c...read more

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Replace all Digits in a String with a Specific Character in Java

Last Updated: 23 July 2025

To replace all digits in a string with a specific character in Java, we can use the regular expressions and the replaceAll() method of the String class. This method allows...read more

Java ensureCapacity(int minimumCapacity) Method

Last Updated: 23 July 2025

In Java, the ensureCapacity(int minimumCapacity) method of the StringBuilder and StringBuffer classes is used to ensure that the buffer has a minimum capacity. If the curr...read more

Java StringBuffer capacity() Method

Last Updated: 23 July 2025

In Java, the capacity() method is used in the StringBuilder and StringBuffer classes to retrieve the current capacity of the object. The capacity is the amount of space th...read more

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Java String isBlank() Method

Last Updated: 23 July 2025

The String.isBlank() method is introduced in Java 11 and it checks if a string is empty or contains only whitespace characters (such as spaces, tabs, or newlines). This m...read more

Java - Split String Using Regex

Last Updated: 23 July 2025

In Java, the split() method breaks a String into parts based on a regular expression (regex). This allows us to split the string using complex rules, such as splitting at ...read more

Java - Split String by Comma

Last Updated: 23 July 2025

In Java, splitting a string by a comma is commonly achieved using the split() method of the String class. This method takes a regular expression as an argument and returns...read more

Java-StringTokenizer

Java - Split a String by Character

Last Updated: 23 July 2025

In Java, we can use the split() method from the String class to split a string by character, which simplifies this process by taking a regular expression (regex) as its ar...read more

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