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. 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. Displays error message 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); }} 1 Displays error message true false 0 1 Displays error message true false 0 ANSWER DOWNLOAD EXAMIANS APP
JAVA Strings The String method compareTo() returns false 1 true an int value -1 false 1 true an int value -1 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. } one.two.three. Compilation fails because of an error at line 3 Compilation fails because of an error at line 5 An exception is thrown at runtime. None of these one.two.three. Compilation fails because of an error at line 3 Compilation fails because of an error at line 5 An exception is thrown at runtime. None of these ANSWER DOWNLOAD EXAMIANS APP
JAVA Strings What will be the output of the following program code?public class Test{ public static void main(String args[]){ String s = "what"; StringBuffer sb = new StringBuffer("what"); System.out.print(sb.equals(s)+","+s.equals(sb)); }} false,false false,true true,true None of these true,false false,false false,true true,true None of these true,false 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); } } 123 Runtime exception thrown Compilation error abc 123 Runtime exception thrown Compilation error abc ANSWER DOWNLOAD EXAMIANS APP
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