JAVA Strings String str1 = "Kolkata".replace('k', 'a');In the above statement, the effect on string Kolkata is The first occurrence of k is replaced by a. All characters k are replaced by a. All characters a are replaced by k. Displays error message The first occurrence of k is replaced by a. All characters k are replaced by a. All characters a are replaced by k. Displays error message ANSWER DOWNLOAD EXAMIANS APP
JAVA Strings What will be the output of the following program?public class Test{ public static void main(String args[]){String str1 = "one";String str2 = "two";System.out.println(str1.concat(str2)); }} two twoone one None of these onetwo two twoone one None of these onetwo ANSWER DOWNLOAD EXAMIANS APP
JAVA Strings What could be output of the following fragment of code?public class Test{ public static void main(String args[]){ String x = "hellow";int y = 9;System.out.println(x += y); } } Compilation error hellow9 9hellow Throws an exception as string and int are not compatible for addition None of these Compilation error hellow9 9hellow Throws an exception as string and int are not compatible for addition None of these ANSWER DOWNLOAD EXAMIANS APP
JAVA Strings What will be the output of the following program code?class LogicalCompare{ public static void main(String args[]){ String str1 = new String("OKAY"); String str2 = new String(str1); System.out.println(str1 == str2); }} false true Displays error message 1 0 false true Displays error message 1 0 ANSWER DOWNLOAD EXAMIANS APP
JAVA Strings Determine output:public class Test{ public static void main(String args[]){ String str = null; if(str.length() == 0){ System.out.print("1"); } else if(str == null){ System.out.print("2"); } else{ System.out.print("3"); } }} "2" is printed. An exception is thrown at runtime. "1" is printed. "3" is printed. Compilation fails. "2" is printed. An exception is thrown at runtime. "1" is printed. "3" is printed. Compilation fails. ANSWER DOWNLOAD EXAMIANS APP
JAVA Strings What will be the output of the following program?public class Test{ public static void main(String args[]){String s1 = "java";String s2 = "java";System.out.println(s1.equals(s2));System.out.println(s1 == s2); }} true true false false false true true false true true false false false true true false ANSWER DOWNLOAD EXAMIANS APP
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