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import java.util.*;public class BookTest{ public static void main(String[] args) { //Book book = new Book("A Tale of Two Cities... 阅读全文
posted @ 2017-06-27 22:02
2021年的顺遂平安君
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```
import java.util.*; public class BookTest
{ public static void main(String[] args) { //Book book = new Book("A Tale of Two Cities", 1895); Book book = new Book("A Tale of Two Cities"); Sy... 阅读全文
posted @ 2017-06-27 22:02
2021年的顺遂平安君
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http://www.javaworld.com/article/2979739/learn java/java 101 classes and objects in java.html?page=3 This example declares a count integer field that 阅读全文
posted @ 2017-06-27 20:24
2021年的顺遂平安君
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http://www.javaworld.com/article/2979739/learn-java/java-101-classes-and-objects-in-java.html?page=3 class Book{ // ... ... 阅读全文
posted @ 2017-06-27 20:24
2021年的顺遂平安君
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public class multiarraysExample1{ public static void main(String[] args) { int[][] magicSquare = { {16,3,2,13}, {5,10,1... 阅读全文
posted @ 2017-06-27 12:20
2021年的顺遂平安君
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``` public class multiarraysExample1 { public static void main(String[] args) { int[][] magicSquare = { {16,3,2,13}, {5,10,11,8}, {9,6,7,12 }, {4,15,1 阅读全文
posted @ 2017-06-27 12:20
2021年的顺遂平安君
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输出结果: 阅读全文
posted @ 2017-06-27 11:29
2021年的顺遂平安君
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public class Understand_String_args{ public static void main(String[] args) { System.out.printf("args[0] = %s\n", args[0]); Sy... 阅读全文
posted @ 2017-06-27 11:29
2021年的顺遂平安君
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Do NOT use the `==`` operator to test whether two strings are equal! It only determines whether or not the strings are stored in... 阅读全文
posted @ 2017-06-27 11:20
2021年的顺遂平安君
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Do _NOT_ use the operator to test whether two strings are equal! It only determines whether or not the strings are stored in the same location. Sure, 阅读全文
posted @ 2017-06-27 11:20
2021年的顺遂平安君
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Array Initialization = `a[]`的值会被初始化为0 `int[] smallPrimes = {2, 3, 5, 7, 11, 13}; 在不新建数组的情况下重新初始化一个数组变量 Array Copying 阅读全文
posted @ 2017-06-27 11:19
2021年的顺遂平安君
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Array Initialization int[] a; = int a[]; int[] a = new int[100]; a[]的值会被初始化为0 `int[] smallPrimes = {2, 3, 5, 7, 11, 13}; new... 阅读全文
posted @ 2017-06-27 11:19
2021年的顺遂平安君
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