Answer Posted / aditya

public class pattern
{
public static void main(int n)
{
int i,j,k;
for(i=1;i<=n;i++)
{
for(j=n;j>i;j--)
{
System.out.print(" ");
}
for(k=1;k<=i;k++)
{
System.out.print(+k+" ");
}

System.out.println();
}
}

Are arrays passed by reference in java?

921

---

Difference between final and effectively final ?

1115

---

What are the rules for naming an array?

1065

---

What is scope & storage allocation of global and extern variables? Explain with an example

1049

---

What is mutable object and immutable object?

1137

---

What is a type parameter in java?

1000

---

What is singletonlist in java?

974

---

Can a string be null?

995

---

What is classname class in java?

1075

---

If a method is declared as protected, where may the method be accessed in java programming?

1005

---

What is maximum size of arraylist in java?

1041

---

Can constructor be synchronized?

946

---

What is the method to declare member of a class static?

1018

---

Difference between comparator and comparable in java?

1106

---

What is private static in java?

1047

---