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import java.awt.Rectangle; |
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public class ObjectVarsAsParameters |
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{ public static void main(String[] args) |
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{ go(); |
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} |
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public static void go() |
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{ Rectangle r1 = new Rectangle(0,0,5,5); |
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System.out.println("In method go. r1 " + r1 + "\n"); |
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// could have been |
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//System.out.prinltn("r1" + r1.toString()); |
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r1.setSize(10, 15); |
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System.out.println("In method go. r1 " + r1 + "\n"); |
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alterPointee(r1); |
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System.out.println("In method go. r1 " + r1 + "\n"); |
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alterPointer(r1); |
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System.out.println("In method go. r1 " + r1 + "\n"); |
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} |
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public static void alterPointee(Rectangle r) |
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{ System.out.println("In method alterPointee. r " + r + "\n"); |
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r.setSize(20, 30); |
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System.out.println("In method alterPointee. r " + r + "\n"); |
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} |
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public static void alterPointer(Rectangle r) |
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{ System.out.println("In method alterPointer. r " + r + "\n"); |
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r = new Rectangle(5, 10, 30, 35); |
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System.out.println("In method alterPointer. r " + r + "\n"); |
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} |
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} |
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// From https://www.cs.utexas.edu/~scottm/cs307/javacode/codeSamples/ObjectVarsAsParameters.java |
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