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鍦ㄤ笂涓€綃囨枃绔犮€?
inconstant constants ( 鍙樺寲鏃犲父鐨勫父閲?)
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鑰佽鐭╋紝浠ｇ爜浼哄€?^+^
渚?錛?br />
public class ClassX{
聽聽聽public聽static聽final聽intX聽=聽2* ClassY.Y;
}
public聽class ClassY{
聽聽聽public聽static聽final聽intY聽=ClassZ.Z+聽1 ;
}
public class 聽ClassZ聽 extends ClassX{
聽聽聽public聽static聽final聽int聽Z=聽X聽+聽3 ;
}
public class聽 ClassTest{
聽聽聽public聽static聽void main(String[]聽args){
聽聽聽聽聽聽System.out.println(ClassX.X + ClassY.Y + ClassZ.Z);
聽聽聽}
}
public class ClassX{
聽聽聽public聽static聽final聽intX聽=聽2* ClassY.Y;
}
public聽class ClassY{
聽聽聽public聽static聽final聽intY聽=ClassZ.Z+聽1 ;
}
public class 聽ClassZ聽 extends ClassX{
聽聽聽public聽static聽final聽int聽Z=聽X聽+聽3 ;
}
public class聽 ClassTest{
聽聽聽public聽static聽void main(String[]聽args){
聽聽聽聽聽聽System.out.println(ClassX.X + ClassY.Y + ClassZ.Z);
聽聽聽}
}
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15
鐜板湪瀵笴lassTest.java榪涜涓€鐐逛慨鏀癸紝濡備笅錛?br />
渚?錛?br />
public聽class ClassTest{
聽聽聽public聽staticvoid main(String[]聽args){
聽聽聽聽聽聽System.out.println(ClassZ.Z + ClassY.Y + ClassX.X);
聽聽聽}
}
public聽class ClassTest{
聽聽聽public聽staticvoid main(String[]聽args){
聽聽聽聽聽聽System.out.println(ClassZ.Z + ClassY.Y + ClassX.X);
聽聽聽}
}
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杈撳嚭緇撴灉錛?/font>
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渚嬪錛屼負浜嗚綆楀嚭渚?涓殑 ClassTest 緇撴灉錛屾垜浠彲浠ラ瑙侊紝ClassX 鏄涓€涓瑁呰澆鐨勭被錛屼絾鏄涓€涓畬鎴愬垵濮嬪寲鐨勭被鍗存槸 ClassZ.
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1.聽聽聽X = 2 * ClassY.Y;聽聽聽聽聽聽璁＄畻X錛岄渶瑕佺煡閬揅lassY.Y鐨勫€鹼紝涓嬩竴姝ヨ綆梇鍊?br />2.聽聽聽Y = ClassZ.Z + 1;聽聽聽聽聽聽璁＄畻Y錛岄渶瑕佺煡閬揅lassZ.Z鐨勫€鹼紝涓嬩竴姝ヨ綆梈鍊?br />3.聽聽聽Z = X + 3;聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 璁＄畻Z錛岄渶瑕佺煡閬揦鐨勫€鹼紝鑰屾鏃禭鐨勫€艱繕娌℃湁琚綆楀嚭鏉?鍙堣漿鍥炴潵浜嗭紝灞呯劧鏄釜鍦堬紝鍛靛懙^+^)錛屾墍浠ユ垜浠嬌鐢╔鐨勯粯璁ゅ€?銆?br />
鍥犳錛?br />聽聽聽聽聽聽Z = 3;
聽聽聽聽聽聽Y = 4;
聽聽聽聽聽聽X = 8;
鎵€浠?ClassX.X + ClassY.Y + ClassZ.Z聽 =聽 15
渚?褰撲腑錛屼篃鏄悓涓€閬撶悊
涓嶅悓鐨勬槸錛孋lassZ鏄涓€涓瑁呰澆鐨勭被錛孋lassX鏄涓€涓畬鎴愬垵濮嬪寲鐨勭被
1. Z = X + 3;
2. X = 2 * ClassY.Y;
3. Y = ClassZ.Z + 1;(姝ゆ椂浣跨敤Z鐨勯粯璁ゅ€?)
鍥犳錛?/font>
聽聽聽聽聽聽Y = 1;
聽聽聽聽聽聽X = 2;
聽聽聽聽聽聽Z = 5;
鎵€浠?ClassZ.Z + ClassY.Y + ClassX.X = 8
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