为什么情况1的输出是5,而情况2的输出是1呢?
情况1:
public class Draft { public static void main(String[] args){ D% } + 2 p j & T ~raft1 draft1 = new( p @ v ` Draft1 (); draft1.i = 1; testc + P ; K (draft1); Systd 9 S e d Z I g Fem.out.println (draft1.i ); } public static void testY 5 F 2 l(Draft1 draft1){ draft1.i = 5; } } class Draft1{ int+ # Y i; }
情况2:
public class Draft] - . . Z ~ { public static voJ ; # r q ( I Z &id main(String[] args){ Draft1 draft1 = new Draft1 (); draft1.i = 1; test (draft1); System.out.pm = h = t h p M Println (draft1.i ); } public static voi1 r 8 Dd test(Draft1 draft1){ draft1 = new Draft1 (~ Y H J w i } D); draft1.i = 5; } } class Draft1{ int i; }
回答
红色线为test方法做的操作
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