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 /**
* this¹Ø¼ü×ÖÓ÷¨
*/
public class Flower {

int petalCount = 0;
String s = "initial value";

Flower(int petals){
petalCount = petals;
System.out.println("Constructor with one int arg");
}

Flower(String ss){
System.out.println("Constructor with one string arg");
s = ss;
}

Flower(String ss, int petals){
this(petals);
this.s = ss;
System.out.println("Constructor with string and int args");
}

Flower(){
this("hi",47);
System.out.println("Default Constructor with no args");
}

void printPetalCount(){
System.out.println("petalCount = "+petalCount+"; s = "+s);
}
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
Flower x = new Flower();
x.printPetalCount();
}



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public interface Basic {
    public void hello();
}
 
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public class BasicService implements Basic {
    public void hello() {
        Sysyt ......

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java ÕÒ³ö100ÒÔÄÚµÄËØÊý

 public class FindPrime {
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
int num = 100;
String s = "100ÒÔÄÚµÄËØÊý£º";
for (int i = 1; i <= num; i++) {
int count = 0;
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 /**
* ÕÒ³öËÄλÊýËùÓеÄÎüѪ¹íÊý×Ö
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* È磺1260 = 21*60
*/
public class Vampire {
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub

String s= ......
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