JAVA Strings How many Constructor String class have? 13 7 2 None of this 11 13 7 2 None of this 11 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 a are replaced by k. The first occurrence of k is replaced by a. All characters k are replaced by a. Displays error message All characters a are replaced by k. The first occurrence of k is replaced by a. All characters k are replaced by a. 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. "1" is printed. An exception is thrown at runtime. "2" is printed. Compilation fails. "3" is printed. "1" is printed. An exception is thrown at runtime. "2" is printed. Compilation fails. ANSWER DOWNLOAD EXAMIANS APP
JAVA Strings Determine output:public class Test{ public static void main(String args[]){ String s1 = "SITHA";String s2 = "RAMA";System.out.println(s1.charAt(0) > s2.charAt(0)); }} Throws Exception false Compilation error 0 true Throws Exception false Compilation error 0 true ANSWER DOWNLOAD EXAMIANS APP
JAVA Strings What could be output of the following fragment of code?public class Test{ public static void main(String args[]){ String x = "hellow";int y = 9;System.out.println(x += y); } } 9hellow Throws an exception as string and int are not compatible for addition hellow9 None of these Compilation error 9hellow Throws an exception as string and int are not compatible for addition hellow9 None of these Compilation error 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 true 1 0 false -1 true 1 0 false ANSWER DOWNLOAD EXAMIANS APP
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