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public class EchoDefaultSystemEncoding
{
public static void main(String[] args)
{
String encoding = System.getProperty("file.encoding");
System.out.println("Default System Encoding:" + encoding);
}
}
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public class NodeBean implements Serializable
{
private Object data; //ÔªËØ±¾Éí
private NodeBean next; //ÏÂÒ»¸ö½Úµã
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public class OddTest {
public static boolean isOdd(int i){
return i % 2 != 0; //±È½Ï i % 2 == 0;×¢£º -1%2 = -1
}
public static void main(String[] args) {
for(int i = -10; i <= 10; i++) {
System.out.println(isOdd(i));
}
}
}
// ......
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public class Test {
/**
* @param args
*/
public static void main(String[] args) {
/**
* ÇóÖÊÊýºÍ£¬
* Èç:
* sum(1)=2=2
* sum(2)=2+3=5
* sum(3)=2+3+5=10
* sum(4)=2+3+5+7=17
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