JAVA Strings What is the output of the following println statement?String str1 = "Hellow";System.out.println(str1.indexOf('t')); -1 false 1 true 0 -1 false 1 true 0 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 hellow9 Throws an exception as string and int are not compatible for addition Compilation error None of these 9hellow hellow9 Throws an exception as string and int are not compatible for addition Compilation error None of these 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"); } }} "2" is printed. "3" is printed. Compilation fails. "1" is printed. An exception is thrown at runtime. "2" is printed. "3" is printed. Compilation fails. "1" is printed. An exception is thrown at runtime. ANSWER DOWNLOAD EXAMIANS APP
JAVA Strings What will be the output?String str1 = "abcde";System.out.println(str1.substring(1, 3)); abcd bcd abc bc None of these abcd bcd abc bc None of these ANSWER DOWNLOAD EXAMIANS APP
JAVA Strings String str1 = "Kolkata".replace('k', 'a');In the above statement, the effect on string Kolkata is 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. Displays error message The first occurrence of k is replaced by a. 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 abc Compilation error 123 Runtime exception thrown abc Compilation error ANSWER DOWNLOAD EXAMIANS APP
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