Goto Statement In Java

February 10, 2023

Goto Statement

In this article we will be discussing about Goto Statement in Java.

A goto statement in any programming language provides an unconditional jump from the goto to a labeled statement in the same function.

Goto Statement

Goto Statement in Java isn’t supported by Java. It is reserved as a keyword in the Java Virtual Machine,In case if they want to add it in a later version.
Instead of Goto function, Java uses Label. Labels are used to change the flow of the program and jump to a specific instruction or label based on a condition.

Use of Break And Continue in Label:

Break and continue are used to break or to continue the program when the label function is called. These are the two reserved keywords in Java Virtual Machine.

Keywords and Variables

Data types

JVM vs JRE vs JDK

Type Conversion

How a code runs in Java

Use case of break statement with label:

Run

import java.util.*;

public class Main{
    public static void main(String[] args){
        // Label name for the break statement
        Lakshit:

            for (int i = 1; i <= 5; i++) {
                for (int j = 1; j <= 5; j++) {
                    if (j == 2)

                        // break statement for the label
                        break Lakshit;
                    System.out.println("PrepInsta " + j);
                }
            }   
    }
}

Output:

PrepInsta 1

Explanation The inner for loop iterates from j = 1 to j = 5. Inside this loop, there is an if statement that checks if j is equal to 2. If the condition is true, the break statement with the label Lakshit is executed. The break statement is used to exit the loop and it specifies that it should exit the loop identified by the label Lakshit.

Use case of Continue statement with label:

Run

import java.util.*;

public class Main {
    public static void main(String[] args){
        // Label name for the continue statement
        Lakshit:

            for (int i = 1; i <= 5; i++) {
                for (int j = 1; j <= 5; j++) {
                    if (j == 2)

                        // Continue Statement
                        continue Lakshit;
                    System.out.println("PrepInsta " + j);
                }
            }   
    }
}

Output:

PrepInsta 1
PrepInsta 1
PrepInsta 1
PrepInsta 1
PrepInsta 1
PrepInsta 1

Explanation The inner for loop iterates from j = 1 to j = 5. Inside this loop, there is an if statement that checks if j is equal to 2. If the condition is true, the continue statement with the label Lakshit is executed. The continue statement is used to continue the loop and ignore the next statements of the program.

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