浣犳槸涓嶆槸缁忓父鐪嬪埌Java浠ｇ爜閲岄偅浜涘甫鐫€鎷彿鐨勫鎬鍙凤紵灏卞儚鍦ㄨ秴甯傛敹閾跺彴鎵爜浼肩殑锛屾柟娉曞悕鍚庨潰鎬昏窡鐫€灏忔嫭鍙凤紝鏈夋椂鍊欒繕濉炵潃鍚勭鏁板瓧鍜屽崟璇嶏紵浠婂ぉ鍜变滑灏辨潵鎵掑紑杩欎釜"蹇€掓煖"锛堟柟娉曞弬鏁帮級鐪嬬湅閲屽ご钘忕潃浠€涔堝ソ涓滆タ锛佸惉璇存湁浜哄浜嗗崐涓湀Java杩樺湪鐢ㄩ瓟娉曟暟瀛楃‖缂栫爜锛岃繖璺熺敤绠楃洏绠楃伀绠建閬撴湁鍟ュ尯鍒紵锛堢瑧锛?/p>

涓€銆佹柟娉曞弬鏁板氨鏄釜蹇€掓煖馃摝

鍏堢湅娈靛鍗栧皬鍝ラ€侀鐨勪唬鐮侊細

java澶嶅埗
public class FoodDelivery {
    // 馃毚鈾傦笍杩欎釜閫侀鏂规硶闇€瑕佷袱涓弬鏁帮細鍦板潃鍜岄鍝?/span>
    static void deliverFood(String address, String meal) {
        System.out.println(meal + "宸查€佽揪" + address);
    }

    public static void main(String[] args) {
        deliverFood("鏈濋槼鍖?鍙锋ゼ902", "楹昏荆棣欓攨");  // 鉁呮纭～鍗?/span>
        deliverFood("鐗涜倝闈?);  // 鉂屾紡鍐欏湴鍧€瑕佹姤閿欙紒
    }
}

鈥?strong>鈥嬮噸鐐规潵浜嗭細鈥?/strong>鈥?/p>

• 鍙傛暟灏卞儚蹇€掑崟涓婄殑鏀朵欢淇℃伅锛屸€?strong>鈥嬩笉濉叏绯荤粺涓嶈鎻愪氦鈥?/strong>鈥?/li>
• 鍙傛暟椤哄簭瑕佷弗鏍煎搴旓紝鍒妸鎵嬫満鍙峰～鍒板湴鍧€鏍?/li>
• 绫诲瀷蹇呴』鍖归厤锛屽埆鎷挎暟瀛楀綋瀵嗙爜锛圫tring鍜宨nt涓嶈兘涔变紶锛?/li>

浜屻€佽嚜宸遍€犱釜鏅鸿兘璁＄畻鍣煣?/h2>

鍜变滑鏉ュ仛涓兘璁颁綇璁＄畻鍘嗗彶鐨勫崌绾х増璁＄畻鍣細

java澶嶅埗
public class SmartCalculator {
    // 馃敘杩欎袱涓弬鏁板氨鏄繍绠楃殑宸﹀彸鎶ゆ硶
    static int add(int num1, int num2) {
        System.out.println("璁板綍锛氬姞娉曡繍绠? + num1 + "+" + num2);
        return num1 + num2;
    }

    public static void main(String[] args) {
        int result = add(7, 3);  // 姝ｇ‘浼犲弬灏卞儚鍠傞ケ涓や釜楗挎眽
        System.out.println("7+3=" + result);
        
        // add(5);  // 馃毃灏戜紶鍙傛暟锛熺紪璇戝櫒鐩存帴绾㈢墝璀﹀憡锛?/span>
    }
}

鈥?strong>鈥嬫柊鎵嬪繀鐪嬪鐓ц〃锛氣€?/strong>鈥?/p>

鎿嶄綔	姝ｇ‘濮垮娍鉁旓笍	缈昏溅鐜板満鉂?/th>
浼犲弬鏁伴噺	鍜屽畾涔夌殑鏁伴噺涓ヤ笣鍚堢紳	澶氫紶灏戜紶閮界畻鑰嶆祦姘?/td>
鍙傛暟绫诲瀷	int浼爄nt锛孲tring浼燬tring	鎷胯悵鍗滃啋鍏呬汉鍙傝闇查
鍙傛暟椤哄簭	鍏堟潵鍚庡埌涓嶆彃闃?/td>	鎶婂瘑鐮佸～鍒扮敤鎴峰悕浣嶇疆

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涓夈€佸璞″弬鏁扮帺鍑鸿姳馃尯

鐜板湪瑕佸鐞嗙數鍟嗗钩鍙扮殑璁㈠崟淇℃伅锛?/p>

java澶嶅埗
class Order {
    String product;
    double price;

    Order(String product, double price) {
        this.product = product;
        this.price = price;
    }
}

public class OrderSystem {
    // 馃巵杩欎釜鏂规硶瑕佸悆鏁翠釜璁㈠崟瀵硅薄
    static void printOrder(Order order) {
        System.out.println("鎮ㄨ喘涔颁簡锛? + order.product);
        System.out.println("瀹炰粯閲戦锛? + order.price);
    }

    public static void main(String[] args) {
        Order myOrder = new Order("鏃犵嚎鑰虫満", 299.0);
        printOrder(myOrder);  // 鎶婃暣涓揩閫掑寘瑁归€掕繃鍘?/span>
        
        // printOrder("鎵嬫満");  // 馃挜绫诲瀷涓嶅尮閰嶅師鍦扮垎鐐革紒
    }
}

鈥?strong>鈥嬫暡榛戞澘鏃堕棿锛氣€?/strong>鈥?/p>

• 瀵硅薄鍙傛暟灏卞儚瀵勫揩閫掑寘瑁癸紝瑕佹妸鏁翠釜绠卞瓙閫掕繃鍘?/li>
• 鍩烘湰绫诲瀷鍙傛暟鏄瘎澶嶅嵃浠讹紝瀵硅薄鍙傛暟鏄瘎鍘熶欢鍦板潃
• 淇敼瀵硅薄鍐呴儴灞炴€т細褰卞搷鍘熷鏁版嵁锛堝皬蹇冩搷浣滐紒锛?/li>

鍥涖€佸弬鏁拌繕鑳借繖涔堢帺锛燄煄?/h2>

鏉ョ湅涓嚜鍔ㄧ敓鎴愮敤鎴峰悕鐨勯粦绉戞妧锛?/p>

java澶嶅埗
public class UserGenerator {
    // 馃幆甯﹁繑鍥炲€肩殑鍙傛暟鏂规硶
    static String createUser(String name, int birthYear) {
        String username = name + birthYear;
        return username.toLowerCase();
    }

    public static void main(String[] args) {
        String myID = createUser("ZhangSan", 1998);
        System.out.println("鎮ㄧ殑涓撳睘璐﹀彿锛? + myID);  // 杈撳嚭zhangsan1998
        
        // 鍙傛暟鍙互鏄彉閲忥紝涓嶄竴瀹氳鍐欐
        String realName = "LiMing";
        int year = 2000;
        System.out.println(createUser(realName, year));
    }
}

鈥?strong>鈥嬪皬缂栬俯鍧戞棩璁帮細鈥?/strong>鈥?br/> 鏈夋鍐欎簡涓?code>calculate(int a, String b)鏂规硶锛岀粨鏋滆皟鐢ㄦ椂鍐欐垚calculate("10",20)锛岀紪璇戝櫒鎶ラ敊璇存壘涓嶅埌鍚堥€傜殑鏂规硶锛屾劊鏄煡浜嗗崐灏忔椂鎵嶅彂鐜板弬鏁伴『搴忛鍊掆€斺€旇繖绉嶄綆绾ч敊璇紝鏂版墜骞冲潎姣忓啓100琛屼唬鐮佸氨浼氶亣鍒?娆★紒锛堟牴鎹甋tackOverflow2023骞磋皟鏌ユ暟鎹級

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浜斻€佸弬鏁拌€佸徃鏈鸿繘闃舵妧宸ю煔?/h2>

鏈€鍚庢潵涓綉璐繍璐硅绠楀櫒鐨勭患鍚堟渚嬶細

java澶嶅埗
public class ShippingFee {
    // 馃摝澶氫釜鍙傛暟绫诲瀷娣峰悎浣跨敤
    static double calculateFee(double weight, String province, boolean isVIP) {
        double baseFee = 10.0;
        if (weight > 5.0) baseFee += (weight -5)*2;
        if (province.equals("瑗胯棌")) baseFee += 15;
        return isVIP ? baseFee*0.8 : baseFee;
    }

    public static void main(String[] args) {
        System.out.println("杩愯垂锛? + calculateFee(3.5, "鍖椾含", true));
        System.out.println("瑗胯棌VIP鐢ㄦ埛杩愯垂锛? + 
            calculateFee(6.2, "瑗胯棌", true));
    }
}

鈥?strong>鈥嬪弬鏁拌璁＄殑榛勯噾娉曞垯锛氣€?/strong>鈥?/p>

1. 涓嶈秴杩?涓弬鏁帮紙澶氫簡寤鸿鐢ㄥ璞″皝瑁咃級
2. 鎶婂繀濉弬鏁版斁鍓嶉潰
3. 鐩稿悓绫诲瀷鐨勫弬鏁颁笉瑕佽繛缁嚭鐜帮紙瀹规槗浼犻敊椤哄簭锛?/li>
4. 閲嶈鍙傛暟鐢ㄦ湁鎰忎箟鐨勫懡鍚嶏紝姣斿鐢?code>userAge鑰屼笉鏄?code>var1

灏忕紪瑙傜偣锛氱湅鍒板弬鏁板氨澶村ぇ锛熻浣忚繖涓璇€鈥斺€旀妸鏂规硶鎯宠薄鎴愯嚜鍔ㄥ敭璐ф満锛屽弬鏁板氨鏄綘瑕佹姇鐨勭‖甯佸拰鎸夌殑鎸夐挳銆傛姇閿欏竵绉嶆満鍣ㄤ笉璁わ紝鎸夐敊鎸夐挳鍑轰笉鏉ユ兂瑕佺殑楗枡銆傚缁冨嚑娆★紝浣犱篃鑳芥垚涓哄弬鏁颁紶閫掔殑浜哄舰缂栬瘧鍣紒