Java2实用教程(第二版)程序代码——第二章 标识符、关键字和数据类型
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//例子1
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public class Example2_1
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{
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public static void main (String args[ ])
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{
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char chinaWord='你',japanWord='ぁ';
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int p1=20328,p2=12358;
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System.out.println("汉字\'你\'字在unicode表中的顺序位置:"+(int)chinaWord);
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System.out.println("日语\'ぁ\'字在unicode表中的顺序位置:"+(int)japanWord);
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System.out.println("unicode表中第20328位置上的字符是:"+(char)p1);
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System.out.println("unicode表中第12358位置上的字符是:"+(char)p2);
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}
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}
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//例子2
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public class Example2_2
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{ public static void main (String args[ ])
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{ byte a=120; short b=255;
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int c=2200; long d=8000;
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float f;
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double g=123456789.123456789;
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b=a;
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c=(int)d;
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f=(float)g; //导致精度的损失.
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System.out.print("a= "+a); System.out.println(" b= "+b);
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System.out.print("c= "+c); System.out.println(" d= "+d);
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System.out.println("f= "+f); System.out.println("g= "+g);
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}
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}
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