Output Questions for Class 10 ICSE Computer Applications
Give the output of the following Java program snippet based on nested loops:
int x,y;
for(x=1; x<=5; x++)
{
for(y=1; y<x; y++)
{
if(x == 4)
break;
System.out.print(y);
}
System.out.println( );
}
Java
Java Nested for Loops
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Answer
1 12 1234
Working
1st iteration of outer for
x = 1
Inner for loop doesn't execute as y = 1 so the condition y\<x is false
Just a newline is printed to the console due to System.out.println( );
2nd iteration of outer for
x = 2
Inner for loop executes once printing 1 to the console
3rd iteration of outer for
x = 3
Inner for loop executes twice printing 12 to the console
4th iteration of outer for
x = 4if(x == 4)
becomes true inside inner for loop. break
is executed, just a newline is printed to the console.
5th iteration of outer for
x = 5
Inner for loop executes 4 times printing 1234 to the console
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