public class test
{
private String name;
private int age,score;
public void test() { age=0;name="匿名";score=0;}
public void setAge(int value) { age=value; }
public void setScore(int value) { score=value; }
public void setName(String value) { name=value; }
public int getAge() {return age;}
public int getScore() {return score;}
public String getName() {return name;} public static void main(String argv[])
{
test t[]=new test[4];
/* private void setValue(int age,String name,int score,test t)
{
t.setAge(age);
t.setName(name);
t.setScore(score);
}
setValue(18,"一",100,t[0]);
setValue(19,"二",101,t[1]);
setValue(20,"三",102,t[2]);
setValue(21,"四",103,t[3]);
setValue(18,"五",100,t[4]); */
t[0].setAge(18);
t[0].setName("圣诞节");
t[0].setScore(100);
t[1].setAge(19); t[1].setName("平安夜"); t[1].setScore(102);
t[2].setAge(20); t[2].setName("狂欢夜"); t[2].setScore(103);
t[3].setAge(21); t[3].setName("新年"); t[3].setScore(104);
t[4].setAge(18); t[4].setName("元旦"); t[4].setScore(100);
int i=0,j=0,temp=0;
for (j=0;j<4;j++)
{
for (i=0;i<4-j;i++)
{
if (t[i].getScore()>t[i+1].getScore())
{
temp=t[i].getScore();
t[i].setScore(t[i+1].getScore());
t[i+1].setScore(temp);
}
}
}
for (i=0;i<5;i++)
{
System.out.println(t[i].getAge()+" "+t[i].getName()+" "+t[i].getScore());
}
}
}
{
private String name;
private int age,score;
public void test() { age=0;name="匿名";score=0;}
public void setAge(int value) { age=value; }
public void setScore(int value) { score=value; }
public void setName(String value) { name=value; }
public int getAge() {return age;}
public int getScore() {return score;}
public String getName() {return name;} public static void main(String argv[])
{
test t[]=new test[4];
/* private void setValue(int age,String name,int score,test t)
{
t.setAge(age);
t.setName(name);
t.setScore(score);
}
setValue(18,"一",100,t[0]);
setValue(19,"二",101,t[1]);
setValue(20,"三",102,t[2]);
setValue(21,"四",103,t[3]);
setValue(18,"五",100,t[4]); */
t[0].setAge(18);
t[0].setName("圣诞节");
t[0].setScore(100);
t[1].setAge(19); t[1].setName("平安夜"); t[1].setScore(102);
t[2].setAge(20); t[2].setName("狂欢夜"); t[2].setScore(103);
t[3].setAge(21); t[3].setName("新年"); t[3].setScore(104);
t[4].setAge(18); t[4].setName("元旦"); t[4].setScore(100);
int i=0,j=0,temp=0;
for (j=0;j<4;j++)
{
for (i=0;i<4-j;i++)
{
if (t[i].getScore()>t[i+1].getScore())
{
temp=t[i].getScore();
t[i].setScore(t[i+1].getScore());
t[i+1].setScore(temp);
}
}
}
for (i=0;i<5;i++)
{
System.out.println(t[i].getAge()+" "+t[i].getName()+" "+t[i].getScore());
}
}
}
private String name;
private int age, score; public Test() {
age = 0;
name = "匿名";
score = 0;
} public void setAge(int value) {
age = value;
} public void setScore(int value) {
score = value;
} public void setName(String value) {
name = value;
} public int getAge() {
return age;
} public int getScore() {
return score;
} public String getName() {
return name;
} public static void main(String argv[]) { Test t[] = new Test[5];
for (int i=0;i<5;i++) {
t[i] = new Test();
}
t[0].setAge(18);
t[0].setName("圣诞节");
t[0].setScore(100);
t[1].setAge(19);
t[1].setName("平安夜");
t[1].setScore(102);
t[2].setAge(20);
t[2].setName("狂欢夜");
t[2].setScore(103);
t[3].setAge(21);
t[3].setName("新年");
t[3].setScore(104);
t[4].setAge(18);
t[4].setName("元旦");
t[4].setScore(100); int i = 0, j = 0, temp = 0;
for (j = 0; j < 4; j++) {
for (i = 0; i < 4 - j; i++) {
if (t[i].getScore() > t[i + 1].getScore()) {
temp = t[i].getScore();
t[i].setScore(t[i + 1].getScore());
t[i + 1].setScore(temp);
}
}
}
for (i = 0; i < 5; i++) {
System.out.println(t[i].getAge() + " " + t[i].getName() + " "
+ t[i].getScore());
}
}
}
数组中的元素没有初始化
构造方法写法也有问题
像setAge()这样的非静态方法要在对象实例化之后才能调用的