10 lines
510 B
Java
10 lines
510 B
Java
public class Foo { public int x = 0; }
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void somefunction() {
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Foo a; // this declares a reference to Foo object; if this is a class field, it is initialized to null
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a = new Foo(); // this assigns a to point to a new Foo object
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Foo b = a; // this declares another reference to point to the same object that "a" points to
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a.x = 5; // this modifies the "x" field of the object pointed to by "a"
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System.out.println(b.x); // this prints 5, because "b" points to the same object as "a"
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}
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