Files
design-patterns/03-behavioral/interpreter/AddExpression.java

20 lines
433 B
Java

package interpreter;
/**
* NonTerminalExpression — addition: left + right.
*/
public class AddExpression implements Expression {
private final Expression left;
private final Expression right;
public AddExpression(Expression left, Expression right) {
this.left = left;
this.right = right;
}
@Override
public int interpret() {
return left.interpret() + right.interpret();
}
}