Characters and Strings in Java

Original link: https://www.lifengdi.com/archives/course/java/3913 In Java, characters and strings are two different types. Character type The character type char is a basic data type, which is an abbreviation for character. A char holds a Unicode character: char c1 = ‘A’; char c2 = ‘中’; Because Java always uses Unicode to represent characters in memory, an English …

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Java Boolean Operations

Original link: https://www.lifengdi.com/archives/course/java/3912 For the boolean type boolean, there are always only two values, true and false. A Boolean operation is a relational operation and includes the following categories: Comparison operators: >, >=, <, <=, ==, != AND && OR || NOT! Here are some examples: boolean isGreater = 5 > 3; // true int …

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Ailijia completes tens of millions of yuan in Series B financing

Ailijia is mainly engaged in the R&D, manufacturing and sales of metal and ceramic precision parts. Using the powder injection molding process, the products involve consumer electronics, automotive, medical, aerospace, military and other fields. The company has a variety of injection molding processes for advanced materials, including iron-based low alloys, stainless steel, titanium alloys, copper …

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Tongge Venture Capital’s first-phase fund of Tongge raised 556 million yuan

Sanqi Mutual Entertainment announced that the company plans to increase the capital of Tongge Phase I Fund as a limited partner by no more than 50 million yuan. The fund was initiated and established by Goertek and Tongge Venture Capital. The tentative target total subscription scale is 556 million yuan. . Tongge Ventures plans to …

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Quanhe Precision completes Pre-A round of financing

Quanhe Precision is a printed circuit board manufacturer, focusing on the research and development, production and sales of high-precision double-sided, multi-layer printed circuit boards, and provides a series of products such as PCB circuit boards, and is committed to providing industry users with related electronic equipment and services. The Pre-A round of financing was recently …

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Korea Zinc to buy Igneo for $332 million

Igneo is an e-waste recycler, cutting into the e-waste sector, collecting e-waste and extracting products such as copper, gold, silver and palladium. South Korea’s Zinc agreed to buy a 73.21% stake in a U.S. e-waste recycling company for $332 million to expand its footprint in the battery materials market. This article is reprinted from: https://www.itjuzi.com/merger/9105 …

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Astronomers detect radio ‘heartbeat’ billions of light-years from Earth

Astronomers at MIT and across Canada and the United States have detected a strange and persistent radio signal from a distant galaxy that blinks with surprising regularity. The signal is classified as a fast radio burst (FRB), an intense burst of radio waves from an unknown astrophysical source that typically lasts a few milliseconds at …

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California trees are dying

Wildfires and other stressors are killing trees in California’s mountains and open spaces — with fewer new trees filling the void, reports a University of California, Irvine (UCI) study. “Forests can’t keep up with these fires,” said study co-author Professor James Randerson of UCI Earth System Science. Since 1985, tree cover across the state has …

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SQL Server basic data query

Original link: https://chenyan98.cn/3548.html Recently, I finally had time to restart my C# learning. After reading a practical project, I found that my knowledge of SQL Server was not very solid, so I found a specific chapter of the course for a special study. In addition to learning basic data query about SQL Server, Also have …

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