Difference between while and do-while statements in Java
1. while loop is an entry controlled loop and do-while loop is an exit controlled loop.
2. while loop first check the condition and then execute statements body .
do-while loop first execute statements body and then check the condition.
3. do-while loop execute the statement body at least once but while loop not.
4. Syntax of while loop :
while(condition){
// statements
}
Syntax of do-while loop :
do{
// statements
}while(condition);
5. Example of while loop :
public class LoopExample
{
public static void main(String[] args)
{
int i=0;
while(i<10){
i++;
System.out.println(i);
}
}
}
Example of do-while loop :
public class LoopExample
{
public static void main(String[] args)
{
int i=0;
do{
i++;
System.out.println(i);
}while(i<10);
}
}
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2. while loop first check the condition and then execute statements body .
do-while loop first execute statements body and then check the condition.
3. do-while loop execute the statement body at least once but while loop not.
4. Syntax of while loop :
while(condition){
// statements
}
Syntax of do-while loop :
do{
// statements
}while(condition);
5. Example of while loop :
public class LoopExample
{
public static void main(String[] args)
{
int i=0;
while(i<10){
i++;
System.out.println(i);
}
}
}
Example of do-while loop :
public class LoopExample
{
public static void main(String[] args)
{
int i=0;
do{
i++;
System.out.println(i);
}while(i<10);
}
}
Find us :
Facebook : @apnaandroid
Google+ : Apna Java
YouTube : Android & Java Tutorial
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