first commit

SelectionSort.java

@@ -0,0 +1,32 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package sort;
+
+/**
+ *
+ * @author User
+ */
+public class SelectionSort {
+    
+    private static void exch(int[] a,int i,int j){
+        int t=a[i];
+        a[i]=a[j];
+        a[j]=t;
+    }
+    public void sort(int[] a){
+        int N=a.length;
+        for(int i=0;i<N;i++){
+            int min=i;
+            for(int j=i+1;j<N;j++){
+                if(a[j]<a[min]){
+                    min=j;   
+                }
+            }
+            exch(a,i,min);
+        }
+    }
+    
+}