公共靜態void main(String[] args) {
int a,b;
雙c;
Scanner sc =新掃描儀(system . in);
System.out.print("數量:");
//每次得到輸入值都會造成阻塞,直到輸入值後才會恢復運行。
a = sc . nextint();
System.out.print("描述:");
b = sc . nextint();
System.out.print("單價:");
c = sc . next double();
}