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package cty; public class L { public int id; public String name; public int age; public String city ; public String introduce (){ return +id+"我"+name+ 阅读全文
posted @ 2017-10-30 14:33
Archon
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public double len(){ double length; length = Math.sqrt(this.x * this.y); return length; public void nor(){ this.x = this.x / length; this.y = this.y / 阅读全文
posted @ 2017-10-30 13:54
Archon
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