Answer Posted / sailaja

Interface A {
String test();
}

Interface B {
int test();
}

Class AB implements A,B
{
String test()
{
System.out.println("Test");
}
int test()
{ System.out.println("Test1");
}
}
Class Test
{
public static void main(String as[])
{
Interface i=null;

i=new AB();
i.test();
}
}

Why to use nested classes in java? (Or) what is the purpose of nested class in java?

1064

---

Explain covariant method overriding in java.

1100

---

How to perform bubble sort in java?

992

---

Why set is used in java?

1002

---

What is an infinite loop in java? Explain with an example.

1027

---

What are methods in java?

984

---

What is factor r?

959

---

What is pass by value?

940

---

What is a generic data type?

1027

---

What are the topics in advance java?

962

---

Explain about core java?

1111

---

What is string variable?

1046

---

FOR EXAMPLE WE R HAVING TWO LIST ELEMENTS ..BOTH LISTS CONTAINS ID,NAME,PLACE ..I NEED TO COMPARE BOTH IDS IN TWO LISTS,IF ID'S R SAME MEANS WE HAVE ADD THE DETAILS(LIKE NAME,PLACE) TO MAP...HOW IS POSSIBLE ?CAN ANY ONE SUGGEST?

3465

---

How do you sort in descending order in java using collections sort?

885

---

What is difference between == and === in js?

1005

---