JAVA Strings String str1 = "Kolkata".replace('k', 'a');In the above statement, the effect on string Kolkata is Displays error message The first occurrence of k is replaced by a. All characters a are replaced by k. All characters k are replaced by a. Displays error message The first occurrence of k is replaced by a. All characters a are replaced by k. All characters k are replaced by a. ANSWER DOWNLOAD EXAMIANS APP
JAVA Strings What is the output of the following println statement?String str1 = "Hellow";System.out.println(str1.indexOf('t')); true 1 false 0 -1 true 1 false 0 -1 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 The output of the following fraction of code ispublic class Test{ public static void main(String args[]){ String s1 = new String("Hello");String s2 = new String("Hellow");System.out.println(s1 = s2);}} Throws an exception None of these Hello Hellow Compilation error Throws an exception None of these Hello Hellow Compilation error 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. } An exception is thrown at runtime. Compilation fails because of an error at line 3 one.two.three. None of these Compilation fails because of an error at line 5 An exception is thrown at runtime. Compilation fails because of an error at line 3 one.two.three. None of these Compilation fails because of an error at line 5 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"); } }} "3" is printed. "2" is printed. "1" is printed. An exception is thrown at runtime. Compilation fails. "3" is printed. "2" is printed. "1" is printed. An exception is thrown at runtime. Compilation fails. ANSWER DOWNLOAD EXAMIANS APP
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