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attomos on 02/24/11

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# Java 1 - Arrays

/ Published in: Java
`import java.util.Arrays; public class A {	public void bubblesort(double[] x) {		for (int i = 0; i < x.length; i++) {			for (int j = x.length - 1; j > 0; j--) {				if (x[j - 1] > x[j]) {					double tmp = x[j - 1];					x[j - 1] = x[j];					x[j] = tmp;				}			}		}	} 	public void decreasingInsertionSort(double[] x) {		for (int i = 1; i < x.length; i++) {			double max = x[i];			int j = i;			while (j > 0 && x[j - 1] < max) { // change x[j - 1] > max to x[j - 1] < max				x[j] = x[j - 1];				j--;			}			x[j] = max;		}	} 	public void employees() {		int[][] employees = {{0, 2, 4, 3, 4, 5, 8, 8},							{1, 7, 3, 4, 3, 3, 4, 4},							{2, 3, 3, 4, 3, 3, 2, 2},							{3, 9, 3, 4, 7, 3, 4, 1},							{4, 3, 5, 4, 3, 6, 3, 8},							{5, 3, 4, 4, 6, 3, 4, 4},							{6, 3, 7, 4, 8, 3, 8, 4},							{7, 6, 3, 5, 9, 2, 7, 9}};		int[] sum = new int[8];		for (int i = 0; i < employees.length; i++) {			int no = employees[i][0];			for (int j = 1; j < employees[i].length; j++) {				sum[no] += employees[i][j];			}		}		System.out.println(printEmployees(employees, sum));		for (int i = 0; i < employees.length; i++) {			for (int j = employees.length - 1; j > 0; j--) {				if (sum[employees[j - 1][0]] < sum[employees[j][0]]) {					int[] tmp = employees[j - 1];					employees[j - 1] = employees[j];					employees[j] = tmp;				}			}		}		System.out.println(printEmployees(employees, sum));	} 	public String printEmployees(int[][] employees, int[] sum) {		String str = "\n        \tSu M  T  W  H  F  Sa Sum\n\n";		for (int i = 0; i < employees.length; i++) {			str += "Employee " + employees[i][0] + "\t";			for (int j = 1; j < employees[i].length; j++) {				str += employees[i][j] + "  ";			}			str += sum[employees[i][0]] + "\n";		}		return str;	} 	public static void main(String []args) {		// 6.18		A a = new A();		double[] x = {6.0, 4.4, 1.9, 2.9, 3.4, 2.9, 3.5};		System.out.println(Arrays.toString(x));		a.bubblesort(x);		System.out.println(Arrays.toString(x));		// 6.19		double[] y = {6.0, 4.4, 1.9, 2.9, 3.4, 2.9, 3.5};		System.out.println(Arrays.toString(y));		a.decreasingInsertionSort(y);		System.out.println(Arrays.toString(y));		// 6.23		a.employees();	}}`