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)); }} twoone None of these two onetwo one twoone None of these two onetwo one 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); }} Displays error message 1 false true 0 Displays error message 1 false true 0 ANSWER DOWNLOAD EXAMIANS APP
JAVA Strings The String method compareTo() returns an int value false true 1 -1 an int value false true 1 -1 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"); } }} Compilation fails. "3" is printed. "1" is printed. An exception is thrown at runtime. "2" is printed. Compilation fails. "3" is printed. "1" is printed. An exception is thrown at runtime. "2" is printed. 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); } } 9hellow None of these hellow9 Compilation error Throws an exception as string and int are not compatible for addition 9hellow None of these hellow9 Compilation error Throws an exception as string and int are not compatible for addition 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); }} false false true false true true false true false false true false true true false true ANSWER DOWNLOAD EXAMIANS APP
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