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public class Bubble {
// ðÅÝÅÅÐòº¯Êý1
public static void bubbleSort1(Comparable []data){
int position,scan;
Comparable temp;
for(position = data.length-1;position>=0;position--){
for(scan=0;scan<=position-1;scan++){
if(data[scan].compareTo(data[scan+1])<0){
temp = data[scan];
data[scan] = data[scan+1];
data[scan+1]=temp;
}
}
}
}
// ðÅÝÅÅÐòº¯Êý2
public static int[] bubbleSort2(int[] m){
int intLenth = m.length;
/*Ö´ÐÐintLenth´Î*/
for (int i=0;i<intLenth;i++){
/*ÿִÐÐÒ»´Î£¬½«×îСµÄÊýÅÅÔÚºóÃæ*/
for (int j=0; j<intLenth-i-1;j++)
{
int a = m[j];
int b = m[j + 1];
if (a < b)
{
m[j] = b;
m[j + 1] = a;
}
}
}
return m;
}
public static void main(String []args){
// ðÅÝÅÅÐò1
Comparable []c={4,9,23,1,45,27,5,2};
bubbleSort1(c);
for(int i=0;i<c.length;i++)
System.out.println("ðÅÝÅÅÐò1£º"+c[i]);
System.out.println("*******************");
// ðÅÝÅÅÐò2
int []b = {4,9,23,1,45,27,5,2};
int []e = bubbleSort2(b);
for(int j=0;j<e.length;j++)
System.out.println("ðÅÝÅÅÐò2£º"+e[j]);
}
}
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JavaѧϰʰÒÅ2--ÓÉString str=”abc”Òý³öµÄ¹ÊÊ£¨×ÛºÏÁËϱߵÄһЩָµãÒѸüУ¬¸ÐлÔÚϱßÁôÑÔ½»Á÷µÄÅóÓÑ£¬Ð»Ð»ÄãÃǵÄÖ¸µã£¡£© ÊÕ²Ø ´ËÎÄÓÚ2009-11-10±»ÍƼöµ½CSDNÊ×Ò³
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public class StringTest {
public static void main(String[] args) {
......
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ÃÀ¹ú·¨ÂÉÓÐÒ»Ìõ×î»ù±¾µÄ×¼Ôò¾ÍÊÇ“ÈËÈËÆ½µÈ”£¬ÎÒÃDz»È¥¹ÜËüÊǾ¹ýʲôÑùµÄ¶·Õù¡¢Ê²Ã´ÑùµÄÁ÷ѪÎþÉü»»À´µÄ£¬Ö»°ÑËüÀí½âΪһ¸öJAVA·½·¨£¬¸Ã·½·¨¶¨ÒåÈçÏ£º
public final boolean ÈËÈËÆ½µÈ(ÈË1£¬ÈË2){
return true;
&n ......
ת £ºhttp://kuru.javaeye.com/blog/288467
Java¶Ô¶àÏ̵߳ÄÖ§³ÖÓëͬ²½»úÖÆÉîÊÜ´ó¼ÒµÄϲ°®£¬Ëƺõ¿´ÆðÀ´Ê¹ÓÃÁËsynchronized¹Ø¼ü×־ͿÉÒÔÇáËɵؽâ¾ö¶àÏ̹߳²ÏíÊý¾Ýͬ²½ÎÊÌâ¡£µ½µ×ÈçºÎ£¿¨D¨D»¹µÃ¶Ôsynchronized¹Ø¼ü×ÖµÄ×÷ÓýøÐÐÉîÈëÁ˽â²Å¿É¶¨ÂÛ¡£ ×ܵÄ˵À´£¬synchronized¹Ø¼ü×Ö¿ÉÒÔ×÷Ϊº¯ÊýµÄÐÞÊηû£¬Ò²¿É×÷Ϊº¯ÊýÄÚµÄÓï¾ä£¬Ò ......
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......
public static void main(String[] args) {
String DATE_FORMAT = "yyyy-MM-dd";
java.text.SimpleDateFormat sdf = new java.text.SimpleDateFormat(
DATE_FORMAT);
Calendar c1 = Calendar.getInstance();
c1.set(1999, 0, 14);
&n ......