Constructor

1. Program

//Find what it gives Compiletion Error / Compiletion Successfully / Output ?

class A { A() { } public static void main(String [] args) { A a1 = new A(); System.out.print("hello "); A a2 = new A(); System.out.print("to"); A a3 = new A(); System.out.print("all"); } }

2. Program

//Find what it gives Compiletion Error / Compiletion Successfully / Output ?

class B { B() { System.out.println("I am constructor b()"); } public static void main(String [] args) { B b1 = new B(); System.out.println("Done"); B b2 = new B(); System.out.println("Done"); B b3 = new B(); System.out.println("Done"); } }

3. Program

//Find what it gives Compiletion Error / Compiletion Successfully / Output ?

class C { int i, j, k; C() { System.out.println("I am constructor C()"); } public static void main(String [] args) { C c1 = new C(); System.out.println("-----"); System.out.println(c1.i); System.out.println("-----"); System.out.println(c1.j); System.out.println("-----"); System.out.println(c1.k); } }

4. Program

//Find what it gives Compiletion Error / Compiletion Successfully / Output ?

class D { int i, j = 20 ; D() { System.out.println("I am constructor D()"); i = 10; } public static void main(String [] args) { D d1= new D(); System.out.println("-----"); System.out.println(d1.i); System.out.println(d1.j); } }

5. Program

//Find what it gives Compiletion Error / Compiletion Successfully / Output ?

class E { int i; E(int k) { i = k; System.out.println("I am cinstructor E()"); } public static void main(String[] args) { E e1 = new E(9); System.out.println("------"); E e2 = new E(90); System.out.println("------"); E e3 = new E(910); System.out.println("------"); System.out.println(e1.i); System.out.println(e2.i); System.out.println(e3.i); } }

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