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Question 1: What will be the output?
1. public class Test6{
2. public Test6(){
3. this(4);
4. }
5. public Test6(byte var){
6. System.out.println(var);
7. }
8. public static void main(String[] args){
9. Test6 t6 = new Test6();
10. } }

1. Compiles and Runs without error
2. 4
3. 4 4
4. Compiler Error