variables

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java

What will be the result of the following program execution? public class Test { private void method1() { MyClass obj = new MyClass(); obj.x = 1; method2(obj); System.out.println("obj.x="+obj.x); } private void method2(MyClass param) { param.x = 2; param = new MyClass(); param.x = 3; } class MyClass { int x; } public static void main(String[] args) { new Test().method1(); } }

java

What is the result of the following code compilation? class Quest3 { public static void main(String s[ ]) { String args; System.out.print(args + s); } }

java

Given the class: public class Clazz { public static void main(String[] args) { // input here } } which of the following definitions can be added to it so that it successfully compiles?

java

What is the maximum possible length of the variable name according to The Java Language Specification?

java

What will the following code print? public class A { int a; //--1-- public short getB() { short b; //--2-- return b; //--3-- } public static void main(String[] args) { System.out.print(new A().a); // --4-- System.out.println(new A().getB()); } }

java

What will be the result of the main method in the Main class execution? public class Main { private int anInt = 4; public Main() { anInt = 5; } public static void main(String[] args) { Main m = new Main(); int anInt = 6; m.print(anInt); } public void print(int anInt){ System.out.println(anInt); } }

java

What is the result of the following code compilation and execution? public class Main{ final int x = 1; public static void main(String [] str) { int x = 2; //1 for (x = 3 ; x < 5 ; x++); //2 System.out.println("x=" + x); } }

scala

case class Key(x: Int, var y: Int) val key = Key(1,2) val someMap = Map(key -> (1,2)) val newKey = key newKey.y = 3 val newMap = someMap + (newKey -> (1,3)) println(newMap(key)) What will be printed into the console?

scala

MUST NOT use "var" inside a case class

scala

Select all correct ways to define a, b and c with value of 5