Java Basic Input & Output Aptitude Questions and Answers. Page 2

public class prg {
    public static void main(String[] args) {
        char a=0x41;	//Unicode of 'A'
        char b=0x42;	//Unicode of 'B'
        
        System.out.print(a+"" + b+"");
        System.out.print("-");
        System.out.print(a+b);       
    }
}

1. AB-AB
2. AB-131
3. AB-ERROR
4. A B -131

public class MyPrg
{
    public static void main(String args[])
    {
        System.out.print("IncludeHelp");
 
    }
}

1. MyPrg.class
2. MyPrg.java
3. MyPrg
4. Any file name with java extension

1. It is another name for java source file that contain the information about the hardware.
2. It is a binary code generated by the Java Virtual Machine for operating system.
3. It is an intermediate code generated by the java compiler for Java Virtual Machine.
4. None of these

1. It is a thread to free the memory of de-referenced objects automatically.
2. It is a method to collect the garbage values of variables.
3. It is a package included in program to free the memory occupied by objects.
4. None of these

class Prg
{
    public static void main(String args[])
    {
        const int a=10;
        System.out.println(a);
 
    }
}

1. 10
2. a
3. Unprintable Character
4. Error