JAVA Array Which one of the following is a valid statement? char[] c = new char[]; char[] c = new char(4); char[] c = new char[5]; char[] c = new char(); char[] c = new char[]; char[] c = new char(4); char[] c = new char[5]; char[] c = new char(); ANSWER DOWNLOAD EXAMIANS APP
JAVA Array What will be the output?public class Test{ public static void main(String[] args){ int[] a = new int[4]; a[1] = 1; a = new int[2]; System.out.println("a[1] is " + a[1]); }} a[1] is 0 The program has a runtime error because a[1 a[1] is 1 The program has a compile error because new int[2 a[1] is 0 The program has a runtime error because a[1 a[1] is 1 The program has a compile error because new int[2 ANSWER DOWNLOAD EXAMIANS APP
JAVA Array Analyze the following code and choose the correct answer.int[] arr = new int[5];arr = new int[6]; The code can compile and run fine. The second line assigns a new array to arr. The code has compile errors because we cannot assign a different size array to arr. The code has runtime errors because the variable arr cannot be changed once it is assigned. The code has compile errors because the variable arr cannot be changed once it is assigned. The code can compile and run fine. The second line assigns a new array to arr. The code has compile errors because we cannot assign a different size array to arr. The code has runtime errors because the variable arr cannot be changed once it is assigned. The code has compile errors because the variable arr cannot be changed once it is assigned. ANSWER DOWNLOAD EXAMIANS APP
JAVA Array When you pass an array to a method, the method receives ________ . A copy of the array. The length of the array. A copy of the first element. The reference of the array. A copy of the array. The length of the array. A copy of the first element. 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 None of these Compilation error, it is a.length() not a.length Compilation error, arrays cannot be initialized to zero size. 0 None of these Compilation error, it is a.length() not a.length Compilation error, arrays cannot be initialized to zero size. 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 {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}; 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}; ANSWER DOWNLOAD EXAMIANS APP
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