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Create 4. Print the middle number
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Week 2: Methods, strings and lists/4. Print the middle number
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Write the method
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printMiddle
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...which takes three integers as parameters.
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The method prints the middle of the numbers in order of magnitude.
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For example, if the parameters of the method were 1, 3 and 2, the method would print 2.
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import java.util.Random;
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public class Test{
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public static void main(String[] args){
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final Random r = new Random();
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Object[][] p = {{1,4,3}, {121,145,94}, {20,30,40}, {9,7,8}, {99,77,88}};
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for (Object[] pa : p) {
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System.out.print("Testing with parameters ");
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System.out.println(pa[0] + ", " + pa[1] + ", " + pa[2]);
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printMiddle((Integer) pa[0], (Integer) pa[1], (Integer) pa[2]);
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System.out.println("");
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}
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}
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//CONTINUE HERE
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// ASSUME int1/2/3 are different
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//6 different combinations
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// 1-2-3
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// 1-3-2
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// 2-1-3
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// 2-3-1
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// 3-1-2
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// 3-2-1
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// 121, 145, 94
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public static void printMiddle(int int1, int int2, int int3) {
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int middle = 0;
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// 2-1-3, 3-1-2
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if ((int1 > int2 && int1 < int3) || (int3 < int1 && int1 < int2)) {
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middle = int1;
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}
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// 1-2-3, 3-2-1
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else if ((int2 > int1 && int2 < int3) || (int2 > int3 && int2 < int1)) {
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middle = int2;
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}
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// 2-3-1, 1-3-2
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else {
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middle = int3;
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}
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System.out.println(middle);
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}
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}
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Testing with parameters 1, 4, 3
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3
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Testing with parameters 121, 145, 94
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121
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Testing with parameters 20, 30, 40
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30
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Testing with parameters 9, 7, 8
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8
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Testing with parameters 99, 77, 88
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88
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