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Java Tutorials


Basic Introduction

What is Java?
Java Features
Java vs Other Languages
Java on Internet
Java Components
Java First Program
Java Commandline argument
Java Constants
Java Variables
Java Types of Variables
Java Datatypes
Java Getting Input from User
Java Typecasting
Java Operators
Java Math Functions

Decision Making

Java if statement
Java if-else statement
Java nested if-else
Java else-if ladder
Java Switch case statement
Java Nested Switch Case
Java Ternary/Conditional operator

Looping

Java while loop
Java do-while loop
Java for loop
Java Enhanced loop/for each loop
Java Labelled for loop
Java Nesting of loops
Java Break and Continue

Classes and Objects

Java Class
Java Object
Java Object Array
Java Nesting of Classes
Java Methods
Java Method Overloading
Java Constructor
Java Constructor Overloading
Java This Keyword
Java Garbage Collection
Java Static Keyword
Java Arrays
Java String
Java StringBuffer
Java String vs StringBuffer
Java Vector Class
Java Vector vs Array
Java Wrapper Classes

Inheritance

Interfaces

Packages

Exception Handling

Multithreading

Java Applets

Graphics Programming

More on Java

Java Programs
Java Keywords Dictionary
Java Interview Questions

Java Labelled for loop


Java Labelled Loop

Java allows us to label a block of statements, which is valid java variable name.

Labelled loops are useful when we want to transfer current iteration into another loops iteration using break and continue statement.

Syntax

Label1: for ()
        {
          //body of loop
          Label2 : for ()
                   {
                     //body of loop
                   }
         }

Example

public class LabelledLoop 
{
    public static void main(String[] args) 
    {
       outer: for(int i=1;i<=5;i++)
       {
          System.out.println();
          inner: for(int j=1;j<=5;j++)
          {
             System.out.println("o : "+i);
             if(i==j)
	        continue outer;	
          }
        }	
    }
}

Output


o : 1

o : 2
o : 2

o : 3
o : 3
o : 3

o : 4
o : 4
o : 4
o : 4

o : 5
o : 5
o : 5
o : 5
o : 5


Best Examples for Practice
  • Check number is Prime or Not program
  • Check number is Palidrome or Not program
  • Check character is Vowel or Consonent program
  • Find Factorial of Number program
  • Find nth Power of any Number program
  • Print Multiplication table of Any Number program
  • Count total Number of Digits in the given Number program
  • Print Any Number in Reverse Order program
  • Convert given Decimal Number into Binary Number
  • Convert given Number into Words form
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See Also

All Java Programs
Java Keywords
Java Interview Questions

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