diff options
Diffstat (limited to 'src/main/java/bjc/esodata/SimpleStack.java')
| -rw-r--r-- | src/main/java/bjc/esodata/SimpleStack.java | 25 |
1 files changed, 16 insertions, 9 deletions
diff --git a/src/main/java/bjc/esodata/SimpleStack.java b/src/main/java/bjc/esodata/SimpleStack.java index dc6566c..b50521e 100644 --- a/src/main/java/bjc/esodata/SimpleStack.java +++ b/src/main/java/bjc/esodata/SimpleStack.java @@ -7,7 +7,7 @@ import java.util.LinkedList; * Simple implementation of a stack. * * @param <T> - * The datatype stored in the stack. + * The datatype stored in the stack. * * @author Ben Culkin */ @@ -27,14 +27,16 @@ public class SimpleStack<T> extends Stack<T> { @Override public T pop() { - if(backing.isEmpty()) throw new StackUnderflow(); + if (backing.isEmpty()) + throw new StackUnderflow(); return backing.pop(); } @Override public T top() { - if(backing.isEmpty()) throw new StackUnderflow(); + if (backing.isEmpty()) + throw new StackUnderflow(); return backing.peek(); } @@ -67,15 +69,20 @@ public class SimpleStack<T> extends Stack<T> { @Override public boolean equals(final Object obj) { - if(this == obj) return true; - if(obj == null) return false; - if(!(obj instanceof SimpleStack<?>)) return false; + if (this == obj) + return true; + if (obj == null) + return false; + if (!(obj instanceof SimpleStack<?>)) + return false; final SimpleStack<?> other = (SimpleStack<?>) obj; - if(backing == null) { - if(other.backing != null) return false; - } else if(!backing.equals(other.backing)) return false; + if (backing == null) { + if (other.backing != null) + return false; + } else if (!backing.equals(other.backing)) + return false; return true; } |