Data Types and Variables
practice.

What will be the output of the following Java program?

class variable_scope 
{
    public static void main(String args[]) 
    {
        int x;
        x = 5;
        {
      int y = 6;
      System.out.print(x + " " + y);
        }
        System.out.println(x + " " + y);
    } 
}

What does LocalTime represent?

What will be the output of the following Java program?

class mainclass {
    public static void main(String args[]) 
    {
        char a = 'A';
        a++;
  System.out.print((int)a);
    } 
}

What will be the output of the following Java code snippet?

public class AddDemo 
{
	public static void main(String args[]) 
        {
		BigDecimal b = new BigDecimal("23.43");
		BigDecimal br = new BigDecimal("24");
		BigDecimal bres = b.add(new BigDecimal("450.23"));
		System.out.println("Add: "+bres);
 
		MathContext mc = new MathContext(2, RoundingMode.DOWN);
		BigDecimal bdecMath = b.add(new BigDecimal("450.23"), mc);
		System.out.println("Add using MathContext: "+bdecMath);
	}
}

What will be the output of the following Java code?

enum Season 
{
    WINTER, SPRING, SUMMER, FALL
};
System.out.println(Season.WINTER.ordinal());

Which of these coding types is used for data type characters in Java?

What is Truncation in Java?

Which of these occupy first 0 to 127 in Unicode character set used for characters in Java?

How to convert Date object to String?

What will be the output of the following Java program?

    class c 
    {    
        public void main( String[] args ) 
        {  
            System.out.println( "Hello" + args[0] ); 
        } 
    }

How to identify if a timezone is eligible for DayLight Saving?

Can we create an instance of Enum outside of Enum itself?

Which of the following is not provided by BigDecimal?

Which of these is necessary condition for automatic type conversion in Java?

What will be the output of the following Java program?

class array_output 
{
    public static void main(String args[]) 
    {
        int array_variable [] = new int[10];
  for (int i = 0; i < 10; ++i) {
            array_variable[i] = i/2;
            array_variable[i]++;
            System.out.print(array_variable[i] + " ");
            i++;
        }

    } 
}

What will be the output of the following Java code?

class asciicodes {
    public static void main(String args[]) 
    {
        char var1 = 'A';
  char var2 = 'a';
  System.out.println((int)var1 + " " + (int)var2);
    } 
}

What will be the output of the following Java code?

class average {
    public static void main(String args[])
    {
        double num[] = {5.5, 10.1, 11, 12.8, 56.9, 2.5};
        double result;
        result = 0;
        for (int i = 0; i < 6; ++i) 
            result = result + num[i];
  System.out.print(result/6);

    } 
}

What will be the output of the following Java program?

class array_output {
    public static void main(String args[]) 
    {    
        char array_variable [] = new char[10];
  for (int i = 0; i < 10; ++i) {
            array_variable[i] = 'i';
            System.out.print(array_variable[i] + "" );
            i++;
        }
    } 
}

Literals in java must be appended by which of these?

Which of these is long data type literal?