Java Tutorials
Java toUpperCase() method The Java toUpperCase() method returns the string in uppercase letters. This method converts all characters of the string into upper-case letters Example Let’s understand the toUpperCase() method with an example as shown below: package com.testingdocs.stringmethods; public class ExampleProgram { public static void main(String[] args) { String str= "This is a Sample Sentence […]
Java toLowerCase() method The Java toLowerCase() method returns the string in lowercase letters. In other words, it converts all string characters into lowercase letters. Example Let’s understand the method with the help of a program: package com.testingdocs.stringmethods; public class ExampleProgram { public static void main(String[] args) { String str= "This is a SAMPLE Sentence Example."; […]
Java indexOf() method The indexOf() method is used to find the position of a character or substring within a string. It is a part of the String class and comes in several variations. The Java indexOf() method returns the index of the given character value or the substring. If it is not found, it returns […]
Java charAt() method The Java charAt() method is used to retrieve the character at a specified index from a String. This method is part of the String class, and it returns the character located at the given index of the string. Syntax The basic syntax of charAt() is as follows: public char charAt(int index) index […]
Handle Multiple Exceptions in Java In this section, we will learn to handle multiple exceptions in java automation code. We can use multiple catch blocks to handle multiple exceptions in the code. Sample Code import java.io.IOException; public class MultipleExceptions { public static void main(String[] args) { try { throw new Exception(“Throwing Sample Exception”); } catch(IOException […]
Exceptions in Java Programs In this post, we will discuss Exceptions in java programs. First of all, if the code can throw more than one kind of exception, then we can have several catch clauses with a single try to catch multiple exceptions. Exception Hierarchy As shown in the above picture, the blue […]