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public class Test1 {
public static void main(String[] args) {
int m = 5, n = 5;
if ((m != 5) && (n++ == 5)) {
}
System.out.println("a." + n);
m = n = 5;
if ((m != 5) & (n++ == 6)) {
}
System.out.println("b." + n);
m = n = 5;
if ((m == 5) || (n++ == 5)) {
}
System.out.println("c." + n);
m = n = 5;
if ((m == 5) | (n++ == 6)) {
}
System.out.println("d." + n);
}
}
public class Test2 {
public static void main(String[] args) {
int k = 100;
Integer int1 = k;
Integer int2 = k;
System.out.println("a." + (int1 == int2));
k = 200;
Integer int3 = k;
Integer int4 = k;
System.out.println("b." + (int3 == int4));
char c = 'A';
Character char1 = c;
Character char2 = c;
System.out.println("c." + (char1 == char2));
c = '国';
Character char3 = c;
Character char4 = c;
System.out.println("d." + (char3 == char4));
}
}
public class Test3 {
public static void main(String[] args) {
/* 提示 \u000A 表示换行(LF),而 0x000A 表示什么呢? */
char c = 0x000A; System.out.println("Hello" + c + "World!");
}
}
public class Test4 {
public static void main(String[] args) {
int num = _____________;
if (num < 0 && num == Math.abs(num)) {
System.out.println("Hello World!");
}
}
}
public class Test5 {
public static void main(String[] args) {
invoke(null);
}
private static void invoke(Object obj) {
System.out.println("Object");
}
private static void invoke(int[] nums) {
System.out.println("Arrays");
}
}
public class Test6 {
public static void main(String[] args) {
Number num = 12345 + 5432l;
System.out.println(num.intValue());
}
}
public class Test3 {
public static void main(String[] args) {
Parrent p = new Parrent();
Parrent c = new Child();
System.out.println(p.getName());
System.out.println(c.getName());
}
}
class Parrent {
public static String getName() {
return "Parrent";
}
}
class Child extends Parrent {
public static String getName() {
return "child";
}
}
public class Test {
public static void main(String[] args) {
for(int i = 0; i <= 10; i++)
Integer k = new Integer(i);
System.out.println( "Java Puzzlers ");
}
}
public class Test {
public static void main(String[] args) {
fill here ;
if (i != i +0) {
System.out.println("hello world");
}
}
}
import java.math.BigInteger;
public class Test {
public static void main(String[] args) {
BigInteger one = new BigInteger( "1 ");
BigInteger two = new BigInteger( "2 ");
BigInteger three = new BigInteger( "3 ");
BigInteger sum = new BigInteger( "0 ");
sum.add(one);
sum.add(two);
sum.add(three);
System.out.println(sum.toString());
}
}
public class Test {
public static void main(String[] args) {
List <String> list = new ArrayList <String> ();
list.add( "d ");
list.add( "c ");
list.add( "c ");
list.add( "a ");
list.add( "a ");
list.add( "b ");
list.add( "b ");
list = removeDuplicate(list);
// 输出的结果应是“d c a b ”
for(String str : list) {
System.out.print(str + " ");
}
}
/**
* 方法功能:移除 List 中重复的元素,并保持原有的顺序
*/
public static <T> List <T> removeDuplicate(List <T> list) {
// 把空格处完善
Return new ArrayList<T> (new LinkedHashSet<T>(list))___________________;
}
}
public class Part {
public static void main(String[] args) {
int num = 32;
System.out.println(num >>= 32);
}
}
public class Part {
public static void main(String[] args) {
int j = 0;
for (int i = 0; i < 100; i++) {
j = j++;
}
System.out.println(j);
}
}
public class Part {
public static void main(String[] args) {
boolean b = true?false:true == true?false:true;
System.out.println(b);
}
}
public class Part {
public static void main(String[] args) {
List<String> list = new ArrayList<String> ();
list.add("Happy");
list.add("Birthday");
list.add("to");
list.add("you");
for (Iterator i = list.iterator(); i.hasNext()) {
String s = i.next();
System.out.println(s);
}
}
}
public class Part {
public static void main(String[] args) {
Queue<Integer> q = new PriorityQueue<Integer>(20, new Comparator<Integer>() {
public int compare(Integer i1, Integer i2) {
int result = i1 % 2 - i2 % 2;
if (result == 0) {
return i1 - i2;
}
else
return result;
}
});
for (int i = 0; i < 20; i++) {
q.add(i);
}
for (int i = 0; i < 20; i++) {
System.out.println(q.poll());
}
}
}
public class Part {
public static void main(String[] args) {
System.out.println(formatTime(System.currentTimeMillis()));
}
private static char[] formatTime(long currentTimeMillis) {
return 这儿填什么;
}
}