JAVA Strings The String method compareTo() returns true -1 an int value false 1 true -1 an int value false 1 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)); }} one two onetwo None of these twoone one two onetwo None of these twoone ANSWER DOWNLOAD EXAMIANS APP
JAVA Strings What will be the output?1. public class Test{2. public static void main(String args[]){3. Object myObj = new String[]{"one", "two", "three"};4. {5. for(String s : (String[])myObj) 6. System.out.print(s + ".");7. }8. }9. } Compilation fails because of an error at line 5 None of these one.two.three. An exception is thrown at runtime. Compilation fails because of an error at line 3 Compilation fails because of an error at line 5 None of these one.two.three. An exception is thrown at runtime. Compilation fails because of an error at line 3 ANSWER DOWNLOAD EXAMIANS APP
JAVA Strings String str1 = "Kolkata".replace('k', 'a');In the above statement, the effect on string Kolkata is Displays error message All characters k are replaced by a. The first occurrence of k is replaced by a. All characters a are replaced by k. Displays error message All characters k are replaced by a. The first occurrence of k is replaced by a. All characters a are replaced by k. ANSWER DOWNLOAD EXAMIANS APP
JAVA Strings What will be the output?public class Test{ public static void main (String[] args){ String test = "a1b2c3"; String[] tokens = test.split("\\d"); for(String s: tokens) System.out.print(s); } } abc Runtime exception thrown Compilation error 123 abc Runtime exception thrown Compilation error 123 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"); } }} An exception is thrown at runtime. Compilation fails. "3" is printed. "1" is printed. "2" is printed. An exception is thrown at runtime. Compilation fails. "3" is printed. "1" is printed. "2" is printed. ANSWER DOWNLOAD EXAMIANS APP
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