第一章
1.1public classTest{
public staticvoid main(String[]args){ System.out.println(Welcome to Java !);
System.out.println(Welcome java程序设计基础 课后习题答案 to Computer Science !); System.out.println(Progr
amming isfun .);
}
}
1.2public classTest{
public staticvoid main(String[]args){ for(inti= 0;i= 4;i++){
System.out.println(Welcome to Java !);}
}
}
1.3public classTest{
public staticvoid main(String[]args){ System.out.println( ]); System.out.printl
n( ]); System.out.println(]]); System.out.println(]]);
}
}
public classTest{ public staticvoid main(String[]args){ System.out.println( A);
System.out.println(A A); System.out.println(AAAAA); System.out.println(A
A); }
}
public classTest{ public staticvoid main(String[]args){ System.out.println(V V
); System.out.println(V V); System.out.println(V V); System.out.println(
V);
}
}
1.4public classTest{
public staticvoid main(String[]args){
System.out.println(aa^2 a^3);
System.out.println(1 1 1); System.out.println(2 4 8); System.out.println(3
9 27); System.out.println(4 16 64);
}
}
1.5public classTest{
public staticvoid main(String[]args){ System.out.println((9.5*4.5-2.5*3)/(45.5-3.5)
);
}
}
1.6public classTest{
public staticvoid main(String[]args){ inti= 1,sum = 0; for(;i= 9;i++) sum +
= i;
System.out.println(sum);
}
}
1.7public classTest{
public staticvoid main(String[]args){
System.out.println(4*(1.0-1.0/3+1.0/5-1.0/7+1.0/9-1.0/11));
System.out.println(4*(1.0-1.0/3+1.0/5-1.0/7+1.0/9-1.0/11+1.0/13));}
}
1.8public classTest{ public staticvoid main(String[]args){ finaldouble PI = 3.14;
double radius = 5.5;
System.out.println(2* radius * PI); System.out.println(PI* radius * radius);}
}
1.9public classTest{
public staticvoid main(String[]args){ System.out.println(7.9* 4.5); System.out.p
rintln(2* (7.9+ 4.5));
}
}
1.10 public classTest{
public staticvoid main(String[]args){
double S = 14 / 1.6;
double T = 45 * 60 + 30;
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