what is the difference between while and do while
A while loop can be used to execute a body of statement when the condition is correct!
The syntax is like :
Example:
The do...while loop almost same with the while loop except it will execute the statement before the checking the condition !Here you go the syntax :
Example:
Output :
The syntax is like :
while(condition){
//statements body
}
Example:
int j=0,i=3;
while(j<i){
System.out.println(j);
j++;
}
Output :
0
1
2
The do...while loop almost same with the while loop except it will execute the statement before the checking the condition !Here you go the syntax :
do{
//statement
}
Example:
/*The j is not smaller that i but it will print the value of j.It won't print any thing if you put this condition on the while loop*/
int j=0,i=0;
do{
System.out.println(j);
System.out.println(j);
}while(j<i);
Output :
0
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