メンバーが public なクラスが構造体と(ほぼ)同じです。 大体こんな感じ。 // sort Object using Arrays.sort() import java.util.Arrays; class Batter implements Comparable { public double rate; public String name; Batter(double r, String n) { rate = r; name = n; } public int compareTo(Object o) { return (int)((rate - ((Batter)o).rate)*1000.); } } class w03 { public static void main(String[] args) { Object[] batter = { new Batter(0.3
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