TP1

src/main/java/AsciiStringFilter.java

+public class AsciiStringFilter {
+
+    public AsciiStringFilter() {}
+
+    public String filter(String string) {
+        int stringAscii = 0;
+        //for (int i; i<string.length(); i++) {
+        //    stringAscii = (int) string.substring(i, i+1);
+        //}
+        for (char c : string.toCharArray()) {
+            stringAscii = c;
+            if (stringAscii >= 128){
+                string = string.replace(String.valueOf(c), "");
+            }
+
+        }
+
+    }
+}

src/main/java/LowerCaseStringFilter.java

+import static java.lang.Character.toLowerCase;
+
+public class LowerCaseStringFilter implements StringFilter{
+
+    public LowerCaseStringFilter() {}
+    public String filter(String string){return string.toLowerCase(); }
+
+}

src/main/java/PostfixStringFilter.java

+public class PostfixStringFilter {
+
+    private int number;
+
+    public PostfixStringFilter(int number){
+        this.number = number;
+    }
+
+    public String filter(String string) {
+        int debut = string.length()-this.number;
+        return string.substring(debut, string.length());
+    }
+
+}

src/main/java/PrefixStringFilter.java

+
+public class PrefixStringFilter implements StringFilter{
+    private int number;
+
+    public PrefixStringFilter(int number){
+        this.number = number;
+    }
+
+    public String filter(String string) { return string.substring(0, this.number); }
+
+}

src/main/java/StringFilter.java

+public interface StringFilter {
+
+    public String filter(String string);
+}

src/main/java/UpperCaseStringFilter.java

+import static java.lang.Character.toUpperCase;
+
+public class UpperCaseStringFilter implements StringFilter{
+
+    public UpperCaseStringFilter() {}
+
+    public String filter(String string) { return string.toUpperCase(); }
+}