Declaration and Access Control Determine output:class A{{System.out.print("b1 ");}public A(){System.out.print("b2 ");}}class B extends A{static{System.out.print("r1 ");}public B(){System.out.print("r2 ");}{System.out.print("r3 ");}static{System.out.print("r4 ");}}public class Test extends B{public static void main(String[] args){System.out.print("pre ");new Test();System.out.println("post ");}} r1 r4 pre b1 b2 r3 r2 post pre r1 r4 b1 b2 r2 r3 post Compilation fail r1 r4 pre b1 b2 post r1 r4 pre b1 b2 post r3 r2 r1 r4 pre b1 b2 r3 r2 post pre r1 r4 b1 b2 r2 r3 post Compilation fail r1 r4 pre b1 b2 post r1 r4 pre b1 b2 post r3 r2 ANSWER DOWNLOAD EXAMIANS APP
Declaration and Access Control Choose the correct statement. Restriction on static methods are: I. They can only call other static methods.II. They must only access static data.III. They cannot refer this or super in any way. Only (I) Only (III) (II) and (III) (I), (II) and (III) (I) and (II) Only (I) Only (III) (II) and (III) (I), (II) and (III) (I) and (II) ANSWER DOWNLOAD EXAMIANS APP
Declaration and Access Control What will be the output?public class Test{static{int a = 5;}public static void main(String args[]){new Test().call();}void call(){this.a++;System.out.print(this.a);}} 5 Compile with error 0 Runtime Exception 6 5 Compile with error 0 Runtime Exception 6 ANSWER DOWNLOAD EXAMIANS APP
Declaration and Access Control A package is a collection of Editing tools and Interfaces Classes and Interfaces Interfaces Classes Editing tools Editing tools and Interfaces Classes and Interfaces Interfaces Classes Editing tools ANSWER DOWNLOAD EXAMIANS APP
Declaration and Access Control What will be the output for the below code?static public class Test{ public static void main(String[] args){ char c = 'a'; switch(c){ case 65 : System.out.println("one");break; case 'a': System.out.println("two");break; case 3 : System.out.println("three"); } }} one Compile error - char can't be permitted in switch statement. two Compile error - Illegal modifier for the class Test; only public, abstract & final are permitted. None of these one Compile error - char can't be permitted in switch statement. two Compile error - Illegal modifier for the class Test; only public, abstract & final are permitted. None of these ANSWER DOWNLOAD EXAMIANS APP
Declaration and Access Control What will be the output?public class Test{ public static void main(String[] args){ String value = "abc"; changeValue(value); System.out.println(value); } public static void changeValue(String a){ a = "xyz"; }} Compilation fails abc None of these Compilation clean but no output xyz Compilation fails abc None of these Compilation clean but no output xyz ANSWER DOWNLOAD EXAMIANS APP
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