JAVA Array Which one of the following is a valid statement? char[] c = new char[]; char[] c = new char[5]; char[] c = new char(4); char[] c = new char(); char[] c = new char[]; char[] c = new char[5]; char[] c = new char(4); char[] c = new char(); ANSWER DOWNLOAD EXAMIANS APP
JAVA Array What will be the output of the program?public class Test{ public static void main(String [] args){ String s1 = args[1]; String s2 = args[2]; String s3 = args[3]; String s4 = args[4]; System.out.print(" args[2] = " + s2); }}and the command-line invocation is C:Java> java Test 1 2 3 4 args[2] = null An exception is thrown at runtime. args[2] = 2 args[2] = 3 args[2] = null An exception is thrown at runtime. args[2] = 2 args[2] = 3 ANSWER DOWNLOAD EXAMIANS APP
JAVA Array What is the result of compiling and running the following code?public class Test{ public static void main(String[] args){ int[] a = new int[0]; System.out.print(a.length); }} 0 Compilation error, arrays cannot be initialized to zero size. None of these Compilation error, it is a.length() not a.length 0 Compilation error, arrays cannot be initialized to zero size. None of these Compilation error, it is a.length() not a.length ANSWER DOWNLOAD EXAMIANS APP
JAVA Array What would be the result of attempting to compile and run the following code?public class HelloWorld{ public static void main(String[] args){ double[] x = new double[]{1, 2, 3}; System.out.println("Value is " + x[1]); }} The program has a compile error because the syntax new double[]{1, 2, 3} is wrong and it should be replaced by new double[3]{1, 2, 3}; The program has a compile error because the syntax new double[]{1, 2, 3} is wrong and it should be replaced by new double[]{1.0, 2.0, 3.0}; The program has a compile error because the syntax new double[]{1, 2, 3} is wrong and it should be replaced by {1, 2, 3}. The program compiles and runs fine and the output The program has a compile error because the syntax new double[]{1, 2, 3} is wrong and it should be replaced by new double[3]{1, 2, 3}; The program has a compile error because the syntax new double[]{1, 2, 3} is wrong and it should be replaced by new double[]{1.0, 2.0, 3.0}; The program has a compile error because the syntax new double[]{1, 2, 3} is wrong and it should be replaced by {1, 2, 3}. The program compiles and runs fine and the output ANSWER DOWNLOAD EXAMIANS APP
JAVA Array What is output of the following code:public class Test{ public static void main(String[] args){ int[] x = {120, 200, 016 }; for(int i = 0; i < x.length; i++) System.out.print(x[i] + " "); }} 120 200 016 120 200 16 120 200 14 016 is a compile error. It should be written as 16. 120 200 016 120 200 16 120 200 14 016 is a compile error. It should be written as 16. ANSWER DOWNLOAD EXAMIANS APP
JAVA Array When you pass an array to a method, the method receives ________ . A copy of the array. A copy of the first element. The reference of the array. The length of the array. A copy of the array. A copy of the first element. The reference of the array. The length of the array. ANSWER DOWNLOAD EXAMIANS APP
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