JAVA Strings The class string belongs to ................. package. java.awt java.string java.applet java.lang java.awt java.string java.applet java.lang 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);}} None of these Hellow Compilation error Hello Throws an exception None of these Hellow Compilation error Hello Throws an exception 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. 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. Displays error message ANSWER DOWNLOAD EXAMIANS APP
JAVA Strings The String method compareTo() returns false true 1 an int value -1 false true 1 an int value -1 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"); } }} Compilation fails. "1" is printed. "2" is printed. An exception is thrown at runtime. "3" is printed. Compilation fails. "1" is printed. "2" is printed. An exception is thrown at runtime. "3" is printed. 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); } } None of these hellow9 Throws an exception as string and int are not compatible for addition 9hellow Compilation error None of these hellow9 Throws an exception as string and int are not compatible for addition 9hellow Compilation error ANSWER DOWNLOAD EXAMIANS APP
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