com.webapp.utils.collections.DataShowUtils Maven / Gradle / Ivy
package com.webapp.utils.collections;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
public final class DataShowUtils {
private DataShowUtils(){}
public static void viewList(List list) {
for (int i = 0; i < list.size(); i++) {
System.out.println(list.get(i));
}
}
public static void viewSet(Set set) {
Iterator iterator = set.iterator();
for (; iterator.hasNext();) {
System.out.println(iterator.next());
}
}
public static void viewMapKey(Map map) {
Iterator iterator = map.keySet().iterator();
for (; iterator.hasNext();) {
System.out.println(iterator.next());
}
}
public static void viewMapVal(Map map) {
Collection temp = map.values();
for (Iterator i = temp.iterator(); i.hasNext();) {
System.out.println(i.next());
}
}
public static void viewMapKeyVal(Map map) {
Iterator> entry = map.entrySet().iterator();
for (; entry.hasNext();) {
Entry temp = entry.next();
System.out.println(temp.getKey() + "-" + temp.getValue());
}
}
}