JAVA Array When you pass an array to a method, the method receives ________ . A copy of the first element. The length of the array. A copy of the array. The reference of the array. A copy of the first element. The length of the array. A copy of the array. The reference of the array. 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, it is a.length() not a.length None of these Compilation error, arrays cannot be initialized to zero size. 0 Compilation error, it is a.length() not a.length None of these Compilation error, arrays cannot be initialized to zero size. ANSWER DOWNLOAD EXAMIANS APP
JAVA Array What will be the output?public class Test{ public static void main(String[] args){ int[] x = new int[3]; System.out.println("x[0] is " + x[0]); }} The program has a runtime error because the array element x[0] is not defined. The program has a compile error because the size of the array wasn't specified when declaring the array. The program runs fine and displays x[0] is 0. The program has a runtime error because the array elements are not initialized. The program has a runtime error because the array element x[0] is not defined. The program has a compile error because the size of the array wasn't specified when declaring the array. The program runs fine and displays x[0] is 0. The program has a runtime error because the array elements are not initialized. ANSWER DOWNLOAD EXAMIANS APP
JAVA Array In Java arrays are objects None of these object references primitive data type objects None of these object references primitive data type 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 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 {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 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 {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}; 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 args[2] = 2 An exception is thrown at runtime. args[2] = 3 args[2] = null args[2] = 2 An exception is thrown at runtime. args[2] = 3 ANSWER DOWNLOAD EXAMIANS APP
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