5. Explore the following illustration and answer the questions: package pl; public class C1 { public int x; /* (1) Why there is no need to import C1? */ int y; public class C2 { public int testMethod2...

Extracted text: 5. Explore the following illustration and answer the questions: package pl; public class C1 { public int x; /* (1) Why there is no need to import C1? */ int y; public class C2 { public int testMethod2 () { C1 object = new C1 (): private int z; public int m1 () { /* (2) For each of the following statements, which statement is correct? */ int m2 () { object.x; or object.y; // v or object.z; or private int m3 () { object.m1 (); // v or object.m2 () ; or // v or package p2; /* (3) Why there is a need to import C1? */ import p1.C1; public class C3 { public int testMethod3 () { C1 object = new C1 () ; /* (4) For each of the following statements, which statement is correct? */ object.x; or object.y; // v or object.z; object.ml (): object.m2 (); object.m3 (); or or or or


Extracted text: 7. How you can make a class an immutable class?