
Explanation of Solution
a.
//Definition of class Test
class Test
{
//Definition of method main
public static void main(String[] args)
{
//Initialize the variables
String stars = "*****";
String stripes = "=====";
//Initialize the value of "i" to 0
int i = 0;
//Check the condition using while loop
while (i < 5)
{
//Print the output
System.out.println(stars.substring(0, i));
//Increment the value of "i"
i++;
}
}
}
Explanation:
The above code snippet initializes the variable “i” to “0”. The condition “i<=5” is checked using “while” loop. Print the output and increment the value of “i”.

Output:
*
**
***
****
Explanation of Solution
b.
//Definition of class Test
class Test
{
//Definition of method main
public static void main(String[] args)
{
//Initialize the variables
String stars = "*****";
String stripes = "=====";
//Initialize the value of "i" to 0
int i = 0;
//Check the condition using while loop
while (i < 5)
{
//Print the output
System.out.println(stars.substring(0, i));
//Print the output
System.out.println(stars.substring(i, 5));
//Increment the value of "i"
i++;
}
}
}
Explanation:
The above code snippet initializes the variable “i” to “0”. The condition “i<=5” is checked using “while” loop. Print the output by calling the two sub string function and increment the value of “i”.

Output:
*****
*
****
**
***
***
**
****
*
Explanation of Solution
c.
//Definition of class Main
class Main
{
//Definition of method main
public static void main(String[] args)
{
//Initialize the variables
String stars = "*****";
String stripes = "=====";
//Initialize the value of "i" to 0
int i = 0;
//Check the condition using while loop
while (i < 10)
{
//Check the condition for "i%2" equals to 0
if (i % 2 == 0)
{
//Print the output
System.out.println(stars);
}
else
{
//Print the output
System.out.println(stripes);
}
}
}
}
Explanation:
The above code snippet initializes the variable “i” to “0”. The condition “i<=10” is checked using “while” loop. Inside the while loop, check the condition of “i%2” using the “if” statement.

Output:
*****
*****
*****
*****
*****
*****
*****
.
.
.
.
Infinite loop
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