java HashMap 简单程序

String Key[] = new String[3];
String Val[] = new String[3];
Key[0]="0m";
Val[0]="hello";
Key[1]="1m";
Val[1]="world";
Key[2]="2m";
Val[2]="audio";

HashMap<String, String> map = new HashMap<String, String>();
for(int i=0;i<3;i++){
map.put(Key[i], Val[i]);
Log.d("PlayService",
"index= "+ i+"Key= "+ Key[i]+"Val= "+ Val[i]);
}

Map<String, String> gmap = new HashMap<String, String>();
for(int j = 0;j< InfoList.size();j++){
gmap = InfoList.get(j);
Iterator
iter= gmap.entrySet().iterator();//迭代程序
while(iter.hasNext()) {
System.out.println(iter.next());

Iterator
itkey =gmap.keySet().iterator(); //获取key 的数值
String
strkey = (String)itkey.next();

Iterator
itval =gmap.values().iterator(); //获取 val 的数值
String
strval = (String)itval.next();

System.out.println(strkey);
System.out.println(strval);

String
strkeyval=String.format("%s=%s", strkey,strval);
System.out.println(strkeyval);
if(strout == null){
strout = strkeyval;
}else{
strout = String.format("%s&%s",strout,strkeyval);
}

System.out.println(strout);