Java Questions Set 30:
Which of the following is a source code management tool?
Solution:
What is the main advantage of using a JDBC connection pool?
Solution:
public class j{
public static void main(String args[]){
System.out.println(!true ? 12345:'B');
}
}
Solution:
What will be the output of the following Java program?
import java.lang.System;
class Output
{
public static void main(String args[])
{
System.exit(5);
}
}
Solution:
Statement - why java is not 100% oops
Solution:
Which of the following applications may use a stack?
Solution:
What will be the output?
class Main {
public static void main(String args[]) {
System.out.println(sum());
}
int sum()
{
return 10+20;
}
}
Solution:
What is the output of this program?
class A
{
public static void main(String args[])
{
int m=n=o=20;
System.out.print(m);
}
}
Solution:
What will be the output of the following Java program?
class Output
{
public static void main(String[] args)
{
StringBuffer s1 = new StringBuffer("Hello");
StringBuffer s2 = s1.reverse();
System.out.println(s2);
}
}
Solution:
import java.util.*;
class output
{
public static void main(String args[])
{
Stack obj = new Stack();
obj.push("A");
obj.push("B");
obj.push("C");
obj.push("E");
obj.pop();
System.out.println(obj.peek());
}
}
Solution:
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