
Explanation of Solution
Program:
The below highlighted statements are used to display the 1 to 20 numbers using “while” loop.
//definition of "Test" class
public class Test
{
//definition of "main" method
public static void main(String arg[])
{
//declare the variable
int i;
//initialized the "i" variable
i = 1;
//check "i" is less than or equal to 20
while ( i <= 20 )
{
//display the "i"
System.out.print(i);
//check "i" mod 5 is equal to 0
if ( i % 5 == 0 )
//display a newline character
System...
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