Explain how the output came out? The answer is at the bottom. Why was s4 the com

Question

Explain how the output came out? The answer is at the bottom.

Why was s4 the compilation error? JAVA

Output: at bottom Compilation error: s4

1. [1596] Which statement from sl to s6 (see below) cause compilation error? Assume the statement that causes compilation is deleted, what is the output when the program is executed? class X{ void fl0 System.out.println("XIf");} class Y extends I^ void fl0 System.out.println("YYY");; class Z extends X void fl0 System.outprintln("ZZZ");} class Test static void g(X a) ( a.fl0; ) public static void main(String args) Yv = new 10; gy); Object obj = new Y0; obj.fl0; X x = new Z(); r.fl0: / sl // s3 01: Compilation error: s4 Output (after deleting s4):

Explanation / Answer

obj is the Object class type and initialised with Y() . Hence the s4 will have ambiguity whether the obj.f1() is invoking the print stateent of Y or X. Thus gives the compilation error.

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