JAVA Constructors and Methods
Determine output:public class Test{ public static void main(String args[]){ MyClass obj = new MyClass(); obj.val = 1; obj.call(obj); System.out.println(obj.val); }}class MyClass{ public int val; public void call(MyClass ref){ ref.val++; }}

1
None of these
3
Compilation Error
2

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JAVA Constructors and Methods
The following code contains one compilation error, find it?public class Test {Test() { } // line 1static void Test() { this(); } // line 2 public static void main(String[] args) { // line 3Test(); // line 4}}

At line 2, constructor call
At line 3, compilation error, ambiguity problem, compiler can't determine whether a constructor
At line 4
At line 1, constructor Tester must be marked public like its class

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JAVA Constructors and Methods
class MyClass{      MyClass(){            System.out.print("one");      }      public void myMethod(){            this();            System.out.print("two");      }} public class TestClass{      public static void main(String args[]){            MyClass obj = new MyClass();            obj.myMethod();      }}

Compilation Error
one one two
two one one
one Exception
None of these

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