如何在Java中将字符串转换为整型数组时抛出异常？

try {
    String str = "1,2,3,a,5";
    String[] strArray = str.split(",");
    int[] intArray = new int[strArray.length];
    for (int i = 0; i < strArray.length; i++) {
        intArray[i] = Integer.parseInt(strArray[i]);
    }
} catch (NumberFormatException e) {
    // 处理异常
}

try {
    String str = null;
    if (str != null) {
        String[] strArray = str.split(",");
        int[] intArray = new int[strArray.length];
        for (int i = 0; i < strArray.length; i++) {
            intArray[i] = Integer.parseInt(strArray[i]);
        }
    } else {
        // 处理空指针异常
    }
} catch (NumberFormatException e) {
    // 处理异常
}

try {
    String str = "1,2,3,4,5";
    String[] strArray = str.split(",");
    int[] intArray = new int[3];
    if (strArray.length <= intArray.length) {
        for (int i = 0; i < strArray.length; i++) {
            intArray[i] = Integer.parseInt(strArray[i]);
        }
    } else {
        // 处理数组越界异常
    }
} catch (NumberFormatException e) {
    // 处理异常
}