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class EXP3_1 {
private String ownerName; //车主姓名
private float curSpeed; //当前车速
private float curDirInDegree; //当前方向盘转向角度
public EXP3_1(String ownerName){
this.ownerName=ownerName;
}
public EXP3_1(String ownerName, float speed, float dirInDegree){
this(ownerName);
this.curSpeed=s ...