Certifications

1 . Consider the following line of code: What will be happen if you compile and run above code? It will not compile It will not run It will compile but will not run It will output “Hi” 2 . After execution of the code fragment below, what are the value of the variables x1, …

1 . Please select signed integrals char, byte, and short byte, short, int, and long char, short, and long 2 . Java characters are … ASCII code Binary code Unicode ANSI code 3 . Please select the size of an int type 32 bytes 16 bits 32 bits 16 bytes 4 . Select default value …

Q 1 : Which of the following are the correct form of documentation comments? //some text here /*some text here*/ /**some text here*/ all the above Q 2 : State the correct formula for minimum/maximum values for integer primitives where no_of_bits is the size of the type in bits. 2^(no_of_bits-1) / 2^(no_of_bits-1)+1 2^(no_of_bits+1) / 2^(no_of_bits+1)+1 …

Q 1 : What will be the output? Choose the one below: String Object null Compiler Error Q 2 : What will be the output? Choose the one below: String Object null Compiler Error Q 3 : What will be the output? Choose the one below: String Object Test Compiler Error Q 4 : What …

Q 1 : What will be the output? Choose the one below: 1 2 3 0 Q 2 : What will be the output? Choose the one below: 1 2 3 4 Compiler error Q 3 : What will be the output? Choose the one below: 3 0 Runtime Exception Compiler error Q 4 : …

Q 1 : What is the output? Choose the one below: 10 20 ClassCastException Compiler Error Compiler Error Q 2 : What is the output? Choose the one below: [null = null] NullPointerException null [] Q 3 : What is the output? Choose the one below: [null = null] NullPointerException null [] Q 4 : …

Q 1 : What will be the output? Choose the one below: 0 0 0 ArrayIndexoutOfBoundsException NullPointerException null null null Q 2 : Which of the following are valid array declarations? int arr[] = new int[]; float arr[10] = new fl double []arr = new double[10]; None Of the Above. Q 3 : What will …