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ii. Above given loop will come under Entry controlled loop as in the above given
loop condition is being checked at the time of entering in the loop.
(1 Mark for correct answer)
(1 Mark for correct justification)

(e) Study the following code and answer the questions that follow: 2
Study the following code and answer the questions that follow:
String str="Green World, Clean World";
int len=str.length(),remain;
remain=100-len;
jTextField2.setText(str.toUpperCase());
jTextField3.setText(Integer.toString(remain)+" more charachters can be
entered");
i. Predict the output displayed in text fields named jTextField2 and jTextField3
after running the above code.
ii. Identify and name any two method of String class used in the above code.
OR
Explain the purpose of pow() method with the help of suitable java code. Also
mention that pow() method belongs to which class?

Ans: i. GREEN WORLD, CLEAN WORLD
76 more charachters can be entered

ii. length(),toUpperCase()

( ½ Mark for each correct answer)
OR
pow() method, a mathematical method, helps in calculating the power of any
number.
For example:
int num=2,power=4;
int ans=Math.pow(num,power);
t1.setText(""+ans);

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The above code will calculate the value of 2 and will give answer 16.
pow() method belongs to math class.

(f) Mr. Suman, a programmer in New Era Programming World has designed a 6
registration page for a hobby club as shown below:

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