

public class Tuple implements Comparable<Tuple> {
	private String contents;
	public Tuple(String contents) {
		this.contents = contents;
	}
	public String toString() {
		return "TUPLE {" + contents + "}";
	}
	public boolean equals(Object o) {
		return contents.equals(((Tuple)o).contents);
	}
	@Override
	public int compareTo(Tuple o) {
		return contents.compareTo(o.contents);
	}
	public int hashCode() {
		return contents.hashCode();
	}
}

@@ -1,9 +1,8 @@
-%0A
 %0Apublic 
@@ -70,16 +70,17 @@
 ntents;%0A
+%0A
 %09public 
@@ -130,24 +130,36 @@
 contents;%0A%09%7D
+%0A%0A%09@Override
 %0A%09public Str
@@ -210,24 +210,36 @@
 ts + %22%7D%22;%0A%09%7D
+%0A%0A%09@Override
 %0A%09public boo
@@ -295,16 +295,17 @@
 ((Tuple)
+ 
 o).conte
@@ -313,16 +313,17 @@
 ts);%0A%09%7D%0A
+%0A
 %09@Overri
@@ -399,18 +399,30 @@
 tents);%0A
-
 %09%7D
+%0A%0A%09@Override
 %0A%09public

Tweak formatting and add @OverrideS.