现在数据库有一子段
aa,数据11,22,33,44,55,66,77
Vector v = new Vector();
v.add(aa);
int m=v.size();
for(int i=0,i<m,i++){
Iterator ite = v.iterator();
while(ite.hasNext()){
获得11;
获得22;
}
}
aa,数据11,22,33,44,55,66,77
Vector v = new Vector();
v.add(aa);
int m=v.size();
for(int i=0,i<m,i++){
Iterator ite = v.iterator();
while(ite.hasNext()){
获得11;
获得22;
}
}
for(int i=0,i <m,i++){
Iterator ite = v.iterator();
while(ite.hasNext()){
String result=ite.next();
if(result==11||result==22) //获得11 , 获得22;
System.out.println(result+","+m);
}
}
for(int i=0,i <m,i++){
Iterator ite = v.iterator();
while(ite.hasNext()){
String result=ite.next();
for(int i=0,i <m,i++){
Iterator ite = v.iterator();
while(ite.hasNext()){
String result=ite.next();
//if(result==11||result==22) //获得11 , 获得22;
System.out.println(result+","+m);
}
} 把if判断注释掉不就把所有的数据输出了!
在定义vector时不是把数据类型加上去要好点。如:vector<int> vec = new vector<int>()