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小练习: public class test1 { public static void main(String[] args) { Scanner sc = new Scanner(System.in); System.out.println("请输入当前机票的原价"); int ticket = 阅读全文
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ARR数组: public class Arr { public static void main(String[] args) { int[] arr = {1,2,3,4}; int sum = 0; for (int i = 0; i < arr.length; i++) { System.o 阅读全文
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for循环: public class For { public static void main(String[] args) { int sum = 0; for (int i = 1 ; i <= 100 ; i++){ if (i % 2 ==0){ sum = sum + i; } } S 阅读全文
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三元运算符: public static void main(String[] args) { int p1 = 150; int p2 = 210; int p3 = 165; int max = p1 > p2 ? p1 : p2; int max2 = max > p3 ? max : p3; 阅读全文