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The Checker Framework enhances Java's type system to make it more powerful and useful. This lets software developers detect and prevent errors in their Java programs. The Checker Framework includes compiler plug-ins ("checkers") that find bugs or verify their absence. It also permits you to write your own compiler plug-ins.

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package org.checkerframework.dataflow.cfg.node;

import com.sun.source.tree.BinaryTree;
import com.sun.source.tree.Tree;

import org.checkerframework.checker.nullness.qual.Nullable;

import java.util.Objects;

/**
 * A node for the greater than comparison:
 *
 * 
 *   expression > expression
 * 
*/ public class GreaterThanNode extends BinaryOperationNode { /** * Constructs a {@link GreaterThanNode}. * * @param tree the binary tree * @param left the left operand * @param right the right operand */ public GreaterThanNode(BinaryTree tree, Node left, Node right) { super(tree, left, right); assert tree.getKind() == Tree.Kind.GREATER_THAN; } @Override public R accept(NodeVisitor visitor, P p) { return visitor.visitGreaterThan(this, p); } @Override public String toString() { return "(" + getLeftOperand() + " > " + getRightOperand() + ")"; } @Override public boolean equals(@Nullable Object obj) { if (!(obj instanceof GreaterThanNode)) { return false; } GreaterThanNode other = (GreaterThanNode) obj; return getLeftOperand().equals(other.getLeftOperand()) && getRightOperand().equals(other.getRightOperand()); } @Override public int hashCode() { return Objects.hash(getLeftOperand(), getRightOperand()); } }




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