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?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. An exception is thrown at runtime. None of these Compilation fails because of an error at line 3 Compilation fails because of an error at line 5 one.two.three. An exception is thrown at runtime. None of these Compilation fails because of an error at line 3 Compilation fails because of an error at line 5 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 Hello Compilation error None of these Hellow Throws an exception Hello Compilation error None of these Hellow ANSWER DOWNLOAD EXAMIANS APP
JAVA Strings What is the output of the following println statement?String str1 = "Hellow";System.out.println(str1.indexOf('t')); 1 0 false -1 true 1 0 false -1 true 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); } } Runtime exception thrown abc 123 Compilation error Runtime exception thrown abc 123 Compilation error ANSWER DOWNLOAD EXAMIANS APP
JAVA Strings How many Constructor String class have? 13 11 7 None of this 2 13 11 7 None of this 2 ANSWER DOWNLOAD EXAMIANS APP
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