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// Java开关分支计算某月某日是2022年的第几天
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// 固定年份，暂不考虑闰年的问题
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package xiangmu;
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public class Ceshi {
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public static void main(String args[]) {
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int yue = 10;
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int ri = 21;
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int tian = 0;
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switch(yue) {
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case 12: tian = tian + 30;
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case 11: tian = tian + 31;
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case 10: tian = tian + 30;
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case 9: tian = tian + 31;
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case 8: tian = tian + 31;
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case 7: tian = tian + 30;
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case 6: tian = tian + 31;
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case 5: tian = tian + 30;
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case 4: tian = tian + 31;
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case 3: tian = tian + 28;
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case 2: tian = tian + 31;
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case 1: tian = tian + ri;
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}
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dayin("2022年"+yue+"月"+ri+"日是这一年的第"+tian+"天");
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}
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public static void dayin(String zifuchuan) {
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System.out.println(zifuchuan);
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}
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}
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