行为型——Strategy（策略模式）

 

 

 

package strategy;

public abstract class RepTempRule {

	public abstract void replace() throws Exception;
}

 

package strategy;

public class RepTempRuleOne extends RepTempRule {

	public void replace() throws Exception {
		System.out.println("RepTempRuleOne");
		
	}

	
}

 

package strategy;

public class RepTempRuleTwo extends RepTempRule {

	public void replace() throws Exception {
		System.out.println("RepTempRuleTwo");
	}

}

 

package strategy;

public class TestStrategy {
	RepTempRule rule = null;
	
	public TestStrategy(RepTempRule rule){
		this.rule = rule;
	}
	
	public void doStrategy(){
		try {
			rule.replace();
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}
	public static void main(String[] args) {
		RepTempRule tempRule = new RepTempRuleOne();
		TestStrategy test = new TestStrategy(tempRule);
		test.doStrategy();
		
		
	}

}