Question

Do as directed :

I. Find the output of the following Java code snippet after execution of each Java statement labelled as Stmt 1, Stmt 2, Stmt 3, Stmt 4;

String str1 = "VASUDHAIVA", str2 = "KUTUMBAKAM";

jTextArea1.append((str1.substring(0, 4)));//Stmt1

jTextArea1.append((str2.substring(4))); / /Stmt2

jTextArea1.setText(jTextArea1.getText() +jTextArea l.getText().length() );/ /Stmt3

jOptionPanel.showMessageDialog(null,jTextArea1.getText().length()); //Stmt 4

II. Rewrite the following code using do while loop :

int num = Integer.parseInt(TextField1.getText());

while(num<=40)

{

jOptionPane1.showMessageDalog(null,num);

num=num*20;

}

jOptionPane1.showMessageDialog(null, "Bye Bye");

Answer 1

I.  VASU

VASUMBAKAM

VASUMBAKAM10

12

II. int num=Integer.parseInt(jTextField1.getText());

do

{

jOptionPane1.showMessageDialog(null,num);

num=num*20;

} while(num<=40);

jOptionPane1.showMessageDialog(null,"Bye Bye");