JAVA Array Which one of the following is a valid statement? char[] c = new char[5]; char[] c = new char(); char[] c = new char(4); char[] c = new char[]; char[] c = new char[5]; char[] c = new char(); char[] c = new char(4); char[] c = new char[]; 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); }} 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. 0 None of these ANSWER DOWNLOAD EXAMIANS APP
JAVA Array In Java arrays are None of these primitive data type objects object references None of these primitive data type objects object references 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] = 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 args[2] = null 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 has compile errors because we cannot assign a different size array to arr. 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 runtime errors because the variable arr cannot be changed once it is assigned. The code has compile errors because we cannot assign a different size array to arr. 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 runtime errors because the variable arr cannot be changed once it is assigned. 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
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