static block

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java

What happens when you try to compile / run the following code: abstract class Animal { static { System.out.println("Inside Animal"); } } class Cat extends Animal { static { System.out.println("Inside Cat"); } } class Dog extends Animal { static { System.out.println("Inside Dog"); } } public class Main { public static void main(String[] args){ Animal cat = new Cat(); Animal dog = new Dog(); } }

java

What happens as a result of compiling and running the following code: public class Bar extends Foo { // 1 public static void main(String[] args) { // 2 System.out.print(sum(1, 2)); // 3 } } class Foo { int sum(int x, int y) { return x + y; } }

java

What will be brought up in the console? public class Test { { System.out.println("1"); } Test () { System.out.println("2"); } static { System.out.println("3"); } { System.out.println("4"); } public static void main(String[] args) { new Test(); } }

java

What is the result of compiling and running programs (JDK to version 6 inclusive) when starting the class considered MainClass? public class MainClass { static { MyClass m = new MyClass(); // 1 System.out.println(m.toString()); // 2 System.exit(0); } } class MyClass { public String toString() { return "MyClass"; } }

java

What happens when you try to compile and run this code: public class QTest { { System.out.print("1"); } public static void main(String[] args) { System.out.print("2"); new QTest(); } static { System.out.print("3"); } }

java

What will be printed as the result of the following code execution? public class GoodbyeWorld { public static void main(String[] args) { System.out.print(A.i); System.out.print(B.i); } } class A { static { i = 2; } static int i = 1; }; class B { static int i = 1; static { i = 2; } };

java

What will be the result of the following code execution? class A { static String a; {print("a");} static {a = print("A");} A() {} static String print(String s) { System.out.print(s + " "); return s; } } class B extends A { static String b; {print("b");} static {b = print("B");} B() {} } class Test { public static void main(String... args) { System.out.print(B.a); } }