What is the output of this program?
package pkg;
class output {
public static void main(String args[])
{
StringBuffer s1 = new StringBuffer("Hello World");
s1.insert(6 , "Good ");
System.out.println(s1);
}
}
Note : Output.class file is not in directory pkg.
What is the output of this program?
package pkg;
class output {
public static void main(String args[])
{
StringBuffer s1 = new StringBuffer("Hello");
s1.setCharAt(1, x);
System.out.println(s1);
}
}
What is the output of this program?
package pkg;
class display {
int x;
void show() {
if (x > 1)
System.out.print(x + " ");
}
}
class packages {
public static void main(String args[]) {
display[] arr=new display[3];
for(int i=0;i<3;i++)
arr[i]=new display();
arr[0].x = 0;
arr[1].x = 1;
arr[2].x = 2;
for (int i = 0; i < 3; ++i)
arr[i].show();
}
}
Note : packages.class file is in directory pkg;
Which of the following package stores all the standard java classes?
Which of the following is incorrect statement about packages?