JAVA Strings The String method compareTo() returns 1 an int value false true -1 1 an int value false true -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"); } }} "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. "2" is printed. An exception is thrown at runtime. ANSWER DOWNLOAD EXAMIANS APP
JAVA Strings toString() method is defined in java.lang.util java.lang.Object None of these java.lang.String java.lang.util java.lang.Object None of these java.lang.String ANSWER DOWNLOAD EXAMIANS APP
JAVA Strings String str1 = "Kolkata".replace('k', 'a');In the above statement, the effect on string Kolkata is All characters k are replaced by a. All characters a are replaced by k. The first occurrence of k is replaced by a. Displays error message All characters k are replaced by a. All characters a are replaced by k. The first occurrence of k is replaced by a. Displays error message ANSWER DOWNLOAD EXAMIANS APP
JAVA Strings What will be the output?String str1 = "abcde";System.out.println(str1.substring(1, 3)); abcd None of these bc bcd abc abcd None of these bc bcd abc 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 An exception is thrown at runtime. one.two.three. Compilation fails because of an error at line 3 None of these Compilation fails because of an error at line 5 An exception is thrown at runtime. one.two.three. Compilation fails because of an error at line 3 None of these ANSWER DOWNLOAD EXAMIANS APP
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